Earthquake – a sudden shaking of the ground. Large earthquakes can damage buildings, roads, and bridges. Fault – a crack between two sections of bedrock. Earthquakes happen when the bedrock on either side of a fault moves. Foundation – the base of a building. Foundation clips – metal brackets that attach the house to the foundation. With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Select Earthquake. What is a fault? 2. Select Next. Watch what happens in San Francisco. A. What is an earthquake? B. Why do you think many earthquakes happen in San Francisco? 2020 Activity A: Earthquake damage Get the Gizmo ready: A rotating collection of Gizmos chosen from our library of over 400 math and science labs and simulations. The current collection below will change on Jul 01, 2023. Rounding Whole Numbers (Number Line) Target Sum Card Game (Multi-digit Addition) Fraction Artist 1 (Area Models of Fractions)Earthquake-Proof Homes Gizmo Answer Key. Customizable versions of all lesson materials. There are two types of body waves:P waves (primary waves) and S waves (secondary waves). Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Get the Gizmo ready: - Click Reset (). Earthquakes 2 - Determination of ...Earthquakes 1 gizmo answer key pdf; Earthquake-proof homes gizmo answer key; Earthquakes 1 gizmo answer key west; Earthquakes 1 gizmo answer key real; Earthquake proof homes gizmo answer key pdf; Do You Belong To A Clan Or Tribeca. This body includes all the Chiefs of the leading clans. My mother said if I stayed, I couldn't fall asleep.Complete each fillable field. Ensure that the info you fill in Earthquakes 1 Recording Station Gizmo Answer Key is up-to-date and correct. Include the date to the record using the Date function. Select the Sign icon and make a signature. You can find three available choices; typing, drawing, or uploading one.long it takes to infect five people. Repeat this four times for a total of 5 trials, and calculate. the mean time. Repeat the experiment when there are 25 people and 35 people in the room. Answers for chart are below: 15. Time to infect five people, 5 trials (h): 6.3 hours, 11. 2 hours, 12.8 hours, 29.7, 13.3 hours. Mean time (h): earthquake simulation, note one thing that failed during an earthquake. Answers will vary. Example answers: Glass windows and lights are the first things to break. Brick chimneys are knocked off roofs. Expect answers to include details about the destruction to homes, cars, roads, trees and light poles. Expect students to Windows. There are a couple of options to earthquake-proof your windows and prevent them from shattering from the ground movement. The most affordable option is to apply safety film to strengthen the glass and hold it together if it breaks; homeowners can apply the film themselves for $3 to $4 per square foot.Earthquake-Proof Homes Gizmo : ExploreLearning Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Vocabulary: Earthquake-Proof Homes Vocabulary • Base isolation – a type of foundation designed to keep a building from shaking in an earthquake. o A base isolation foundation has three parts. The bottom layer shakes with the ground. The top layer and building do not shake. The two layers are connected by rubberGizmo Warm-up A hurricane is a type of natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. In this lesson, you will try to build houses that can do well in floods and hurricanes.Earthquake-Proof Homes Gizmo Answer Key. Customizable versions of all lesson materials. There are two types of body waves:P waves (primary waves) and S waves (secondary waves). Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Get the Gizmo ready: - Click Reset (). Earthquakes 2 - Determination of ... What do you think a builder could do to make a house less likely to fall down in an earthquake? Gizmo Warm-up An earthquake is a type of natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Complete each fillable field. Ensure that the info you fill in Earthquakes 1 Recording Station Gizmo Answer Key is up-to-date and correct. Include the date to the record using the Date function. Select the Sign icon and make a signature. You can find three available choices; typing, drawing, or uploading one. Earthquake proof homes gizmo answer key pdf. Docmerit is super useful, because you study and make money at the same time! The epicenter of the earthquake is the point on Earth's surface closest to the focus, or origin, of the earthquake.Find Gizmos organized by grade level and topic. | Gizmos Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Gizmo Earthquake Proof Homes Answer Key - Myilibrary.org. The student exploration earthquake proof homes answer key is a writable document that should be submitted to the relevant address in order to provide specific info. It has to be filled-out and signed, which is possible manually in hard copy, or with a particular software like PDFfiller.Student Exploration: Flood and Storm-Proof Homes [Note to teachers and students. This lesson was designed to be used along with the Earthquake-Proof Homes lesson. You can do the lessons in any order.] Vocabulary: flood, floodplain, foundation, frame, gable roof, hip roof, hurricane, levee, natural disaster, roof clips, stilts, storm surgeLesson 7 What Exactly is an Earthquake; Teacher’S Guide and Answer KEY for Wheelock’S Latin; MAT 240 Project Two Module 7; BANA 2082 - Chapter 2.2; IS2080 - Chapter 2 Practice; Chapter 5 Lecture notes; First draft - Grade: A; IS2080C - Lab3 Excel Assignment; Sophia - Unit 3 - Challenge 2 Project Mgmt QSO-340; Graded Quiz Unit 8 - Selection ...The earthquake proof homes gizmo answer key is a writable document that should be submitted to the relevant address in order to provide specific info. It has to be filled-out and signed, which is possible manually in hard copy, or with a particular software like PDFfiller. This tool allows to fill out any PDF or Word document directly from your ... Launch Gizmo Earthquake-Proof Homes Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Windows. There are a couple of options to earthquake-proof your windows and prevent them from shattering from the ground movement. The most affordable option is to apply safety film to strengthen the glass and hold it together if it breaks; homeowners can apply the film themselves for $3 to $4 per square foot.Follow the step-by-step instructions below to eSign your student exploration earthquake proof homes answer key: Choose the paper you want to sign and click the Upload button. Hit My Signature. Decide on what kind of electronic signature to make. You will find 3 variants; a typed, drawn or uploaded eSignature. Question: How can you determine how far you are from the center of an earthquake? Generating Your Document. Place the recording station 300 km from the epicenter. There are two types of body waves:P waves (primary waves) and S waves (secondary waves). As in the Gizmo, each vertical line represents 50 seconds. Earthquake Proof Homes Gizmo Answer ...Student Exploration: Earthquake-Proof Homes Vocabulary: base isolation, bedrock, earthquake, fault, foundation, foundation clips, frame, landfill, liquify, natural disaster, reinforced door, shatterproof glass, wetlands Prior Knowledge Questions (Do these BEFORE using the Gizmo.) The image shows a house in San Francisco damaged by the Loma ...earthquake simulation, note one thing that failed during an earthquake. Answers will vary. Example answers: Glass windows and lights are the first things to break. Brick chimneys are knocked off roofs. Expect answers to include details about the destruction to homes, cars, roads, trees and light poles. Expect students toA rotating collection of Gizmos chosen from our library of over 400 math and science labs and simulations. The current collection below will change on Jul 01, 2023. Rounding Whole Numbers (Number Line) Target Sum Card Game (Multi-digit Addition) Fraction Artist 1 (Area Models of Fractions)What do you think a builder could do to make a house less likely to fall down in an earthquake? Gizmo Warm-up. An earthquake is a type of . natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the . Disaster-Proof Homes . Gizmo, you can try to build a house that won’t fall down in an earthquake ...The earthquake proof homes gizmo answer key is a writable document that should be submitted to the relevant address in order to provide specific info. It has to be filled-out and signed, which is possible manually in hard copy, or with a particular software like PDFfiller.Vocabulary: Earthquake-Proof Homes Vocabulary • Base isolation – a type of foundation designed to keep a building from shaking in an earthquake. o A base isolation foundation has three parts. The bottom layer shakes with the ground. The top layer and building do not shake. The two layers are connected by rubber Windows. There are a couple of options to earthquake-proof your windows and prevent them from shattering from the ground movement. The most affordable option is to apply safety film to strengthen the glass and hold it together if it breaks; homeowners can apply the film themselves for $3 to $4 per square foot.It shows all earthquakes from the past 24 hours the a magnitude of 2.5 or greater. Look at the heading on the top left. How many earthquakes occurred around the world in the last 24 hours? answers vary by day. List three earthquakes (magnitude and location) that occurred in the US in the past 24 hours. house less likely to fall down in an earthquake? Gizmo Warm-up An earthquake is a type of natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Select Earthquake. What is a fault? 2. Select Next ... If you are looking for the Earthquake Proof Homes Gizmo Answer Key, you've come to the right place. Download the answer key pdf for free. <style>.woocommerce-product-gallery{ opacity: 1 !important; }</style>Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages.Title Gizmo : ExploreLearning explore learning nuclear decay gizmo answer key Media Publishing eBook, ePub, Kindle PDF View ID f47df8faa May 22, 2020 By Cao Xueqin spring moved by a hand adjust the amplitude and frequency of the hand and the tension and density of Explore Learning Nuclear Decay Gizmo Answer Key [EPUB] Source(s): find answer ...Earthquake 1 gizmo answer key; Gizmos earthquake 2 answers; Earthquake-proof homes gizmo answer key; Earthquakes 1 gizmo answer key; Earthquake Lab Answer Key Estimate the time difference (∆T), and then use your graph to find the distance to the epicenter. Locate the epicenter of an earthquake by analyzing seismic data from three recording ...To find it, go to the AppStore and type signNow in the search field. Decide on what kind of eSignature to create. Handy tips for filling out Earthquake proof homes gizmo answer key online Download the resulting document. Can Stuvia be trusted. PdfFiller. On-line PDF form Filler, Editor, Type on PDF, Fill, Print, Email, Fax and Export earthquake simulation, note one thing that failed during an earthquake. Answers will vary. Example answers: Glass windows and lights are the first things to break. Brick chimneys are knocked off roofs. Expect answers to include details about the destruction to homes, cars, roads, trees and light poles. Expect students to Earthquake-Proof Homes Gizmo Answer Key. Customizable versions of all lesson materials. There are two types of body waves:P waves (primary waves) and S waves (secondary waves). Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Get the Gizmo ready: - Click Reset (). Earthquakes 2 - Determination of ... Students will construct a structure out of drinking straws to see if it can withstand an earthquake. Students will learn about the concepts of force and engineering design to accurately create the structure!Students will construct a structure out of drinking straws to see if it can withstand an earthquake. Students will learn about the concepts of force and engineering design to accurately create the structure!Activity B: Earthquake-proof house Get the Gizmo ready: If necessary, select Earthquake on the map. Navigate to the Build screen. Goal: Design a house to survive an earthquake. 1. Predict: From the Build screen, click Reset house. Now it’s your turn! Your challenge is to build a house that can get through an earthquake with the least amount ...Earthquake Proof Homes Gizmo Answer Key - Myilibrary.org. Ensure that the info you fill in Earthquakes 1 Recording Station Gizmo Answer Key is up-to-date and correct. Include the date to the record using the Date function. Select the Sign icon and make a signature. You can find three available choices; typing, drawing, or uploading one.Earthquake-proof homes gizmo answer key; Student exploration earthquakes 1 answer key; Earthquakes 1 gizmo answer key quizlet; Earthquake Proof Homes Gizmo Answer Key Pdf. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 - Recording Station Gizmo to find the distance of the epicenter from each Lesson Info.Gizmo Warm-up The Earthquakes 1 – Recording Station Gizmo simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left side of the Gizmo. 1. The epicenter of the earthquake is the point on Earth’s surface closest to the focus, or origin, of the earthquake. (2 marks) A. What symbol represents the epicenter?About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Earthquake 1 gizmo answer key. Activity B: Distance to the epicenter. Activity B (continued from previous page). Generating Your Document. The Earthquake — Recording Station Gizmo™ simulates the seismic waves released by an earthquake. Earthquake 1 gizmo answer key; Earthquake proof homes gizmo answer key pdf; Gizmo earthquakes 1 answer keyAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Student Exploration: Flood and Storm-Proof Homes [Note to teachers and students. This lesson was designed to be used along with the Earthquake-Proof Homes lesson. You can do the lessons in any order.] Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Solve the problem using the formula method. Hint: The centroid of a semi-ellipse measured from the x axis is \bar {y}=4 b / 3 \pi yˉ= 4b/3π and the area and moment of inertia about the x axis are \pi a b / 2 πab/2 and \pi a b^3 / 8 πab3/8, respectively, where a and b are the major and minor axes. Verified answer. physics.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Oct 29, 2020 · Gizmo Warm-up The Earthquakes 1 – Recording Station Gizmo simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left side of the Gizmo. 1. The epicenter of the earthquake is the point on Earth’s surface closest to the focus, or origin, of the earthquake. (2 marks) A. What symbol represents the epicenter? About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Gizmo Warm-up An earthquake is a type of natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Select Earthquake. What is a fault? Faults are large cracks where rocks can slide by each other.Student Exploration: Flood and Storm-Proof Homes [Note to teachers and students. This lesson was designed to be used along with the Earthquake-Proof Homes lesson. You can do the lessons in any order.] Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Earthquake-Proof Homes | Gizmo New! Earthquake-Proof Homes Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. The earthquake proof homes gizmo answer key is a writable document that should be submitted to the relevant address in order to provide specific info. It has to be filled-out and signed, which is possible manually in hard copy, or with a particular software like PDFfiller. Gizmo Warm-up The Earthquake – Recording Station Gizmo™ simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left side of the Gizmo. The epicenter of the earthquake is the point on Earth’s surface closest to the focus, or origin, of the earthquake. What symbol represents the epicenter?Gizmo Warm-up The Earthquakes 1 – Recording Station Gizmo simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left side of the Gizmo. 1. The epicenter of the earthquake is the point on Earth’s surface closest to the focus, or origin, of the earthquake. (2 marks) A. What symbol represents the epicenter?M2l2 gizmo lab 1 earthquake recording station honors docx Click on My Signature. Earthquakes 1 Recording Station GIZMO Handy tips for filling out Earthquake proof homes gizmo answer key online The Earthquake Recording Station Gizmo simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left.Find Gizmos organized by grade level and topic. | GizmosAs this Explore Learning Gizmo Answer Key Earthquake Pdf, it ends happening innate one of the favored book Explore Learning Gizmo Answer Key Earthquake Pdf collections that we have. This is why you remain in the best website to see the incredible ebook to have. earthquake recording station gizmo earthquakes 1recordingWhat do you think a builder could do to make a house less likely to fall down in an earthquake? Gizmo Warm-up An earthquake is a type of natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Student Exploration: Flood and Storm-Proof Homes [Note to teachers and students. This lesson was designed to be used . along . with the Earthquake-Proof Homes lesson. You can do the lessons in any order.] Vocabulary: flood, floodplain, foundation, frame, gable roof, hip roof, hurricane, levee, natural disaster, roof clips, stilts, storm surge Jun 28, 2022 · See new Tweets. Conversation Earthquake-proof homes gizmo answer key; Student exploration earthquakes 1 answer key; Earthquakes 1 gizmo answer key quizlet; Earthquake Proof Homes Gizmo Answer Key Pdf. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 - Recording Station Gizmo to find the distance of the epicenter from each Lesson Info. The epicenter of the earthquake is the point on Earth's surface closest to the focus, or origin, of the earthquake. Get the Gizmo ready: - Click Reset (). Earthquake-Proof Homes Gizmo Answer Key. As in the Gizmo, each vertical line represents 50 seconds. Apply: Suppose a recording station was located 500 km from the epicenter.Earthquakes 1 gizmo answer key pdf; Earthquake-proof homes gizmo answer key; Gizmo Earthquake Recording Station Answer Key What major cities are located near the San Andreas Fault? Activity A: Reading a seismogram. Scientists study earthquakes with the aid of an instrument called a seismograph. Earthquakes 1 gizmo answer key.Gizmo Warm-up The Earthquakes 1 – Recording Station Gizmo simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left side of the Gizmo. The epicenter of the earthquake is the point on Earth’s surface closest to the focus, or origin, of the earthquake. A.Gizmo Warm-up An earthquake is a type of natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Select Earthquake. What is a fault? Faults are large cracks where rocks can slide by each other.Vocabulary: collisional boundary, convergent boundary, crust, divergent boundary, earthquake, lithosphere, mantle, plate, plate tectonics, subduction, transform boundary, volcano. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Earthquake-Proof Homes Gizmo Answer Key. Customizable versions of all lesson materials. There are two types of body waves:P waves (primary waves) and S waves (secondary waves). Locate the epicenter of an earthquake by analyzing seismic data from three recording stations. Get the Gizmo ready: - Click Reset (). Earthquakes 2 - Determination of ...What do you think a builder could do to make a house less likely to fall down in an earthquake? Gizmo Warm-up. An earthquake is a type of . natural disaster. A natural disaster is a sudden event that can destroy homes and hurt people. With the . Disaster-Proof Homes . Gizmo, you can try to build a house that won’t fall down in an earthquake ... With the Disaster-Proof Homes Gizmo, you can try to build a house that won’t fall down in an earthquake. 1. Select Earthquake. What is a fault? 2. Select Next. Watch what happens in San Francisco. A. What is an earthquake? B. Why do you think many earthquakes happen in San Francisco? 2020 Activity A: Earthquake damage Get the Gizmo ready:Student Exploration Earthquakes 1 Gizmo Answer Key Pdf. The student exploration earthquake proof homes answer key is a writable document that should be submitted to the relevant address in order to provide specific info. It has to be filled-out and signed, which is possible manually in hard copy, or with a particular software like PDFfiller.See new Tweets. ConversationThe earthquake proof homes gizmo answer key is a writable document that should be submitted to the relevant address in order to provide specific info. It has to be filled-out and signed, which is possible manually in hard copy, or with a particular software like PDFfiller.
M2l2 gizmo lab 1 earthquake recording station honors docx Click on My Signature. Earthquakes 1 Recording Station GIZMO Handy tips for filling out Earthquake proof homes gizmo answer key online The Earthquake Recording Station Gizmo simulates the seismic waves released by an earthquake. To begin, look at the key on the bottom left. . Pre read
May 30, 2023 · Question: How can you determine how far you are from the center of an earthquake? Generating Your Document. Place the recording station 300 km from the epicenter. There are two types of body waves:P waves (primary waves) and S waves (secondary waves). As in the Gizmo, each vertical line represents 50 seconds. Earthquake Proof Homes Gizmo Answer ... earthquake simulation, note one thing that failed during an earthquake. Answers will vary. Example answers: Glass windows and lights are the first things to break. Brick chimneys are knocked off roofs. Expect answers to include details about the destruction to homes, cars, roads, trees and light poles. Expect students to The most famous fault in the U. S. is the San Andreas Fault in California. Earthquakes are usually caused by the sudden movement of rocks along a fault, or fracture, in Earth's crust. What would this earthquake feel like? What happens when the seismic waves hit the recording station?. Earthquake-Proof Homes Gizmo Answer KeyEarthquake-proof homes gizmo answer key. Click Play and observe the seismic waves leaving the epicenter of the earthquake. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 - Recording Station Gizmo to find the distance of the epicenter from each Lesson Info. 4579 documents uploaded. Earthquake proof homes gizmo answer key pdf. Docmerit is super useful, because you study and make money at the same time! The epicenter of the earthquake is the point on Earth's surface closest to the focus, or origin, of the earthquake.Student Exploration: Flood and Storm-Proof Homes [Note to teachers and students. This lesson was designed to be used along with the Earthquake-Proof Homes lesson. You can do the lessons in any order.] Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Earthquake – a sudden shaking of the ground. Large earthquakes can damage buildings, roads, and bridges. Fault – a crack between two sections of bedrock. Earthquakes happen when the bedrock on either side of a fault moves. Foundation – the base of a building. Foundation clips – metal brackets that attach the house to the foundation.Follow the step-by-step instructions below to eSign your student exploration earthquake proof homes answer key: Choose the paper you want to sign and click the Upload button. Hit My Signature. Decide on what kind of electronic signature to make. You will find 3 variants; a typed, drawn or uploaded eSignature.Jul 28, 2023 · Earthquakes 1 gizmo answer key quizlet; Earthquake proof homes gizmo answer key pdf; Gizmo earthquake recording station answer key; Student exploration earthquakes 1 answer key; How To Get A Clean Hands Certificate Dc. Landlords in Washington DC must have a basic business license to rent property within the District. Earthquake-proof homes gizmo answer key; Student exploration earthquakes 1 answer key; Earthquakes 1 gizmo answer key quizlet; Earthquake Proof Homes Gizmo Answer Key Pdf. Measure difference in P- and S-wave arrival times, then use data from the Earthquakes 1 - Recording Station Gizmo to find the distance of the epicenter from each Lesson Info.Earthquakes 1 - Recording Station Gizmo _ ExploreLearning.pdf. B. C. D. Correct Answer: A. Explanation: When an earthquake occurs, at a recording station is de±ned as the amount of time between when the P-wave arrives and when the S-wave arrives. On a seismogram, the P-wave arrives ±rst and shows up as small tremors.Here are some of the methods used to help buildings withstand earthquakes. 1. Create a Flexible Foundation. One way to resist ground forces is to “lift” the building’s foundation above the earth through a method called base isolation. Base isolation involves constructing a building on top of flexible pads made of steel, rubber and lead..