Grade 8 Science and Technology/Engineering Test

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Science and Technology/EngineeringSession 2Write your answer to question 38 in the space provided in your Student Answer Booklet.ID:229365 Common●38A science class is studying physical and chemical changes.The teacher puts a beaker of water onto a hot plate and heats it until bubbles appear.a. Classify this as a physical or chemical change. Explain your reasoning using specific details.The teacher puts a sugar cube into a container of warm water. Eventually the sugar cube isno longer visible.b. Classify this as a physical or chemical change. Explain your reasoning using specific details.The teacher pours vinegar into a small container of baking soda. The combined substancesbegin to fizz and bubble as a gas is released.c. Classify this as a physical or chemical change. Explain your reasoning using specific details.418
Science and Technology/EngineeringSession 2Write your answer to question 39 in the space provided in your Student Answer Booklet.ID:229380 3209590_AR1.eps Common●39The diagram below shows several labeled parts of a house.FramingSiding Insulation Foundationa. Describe the function of the house’s foundation.b. The framing, insulation, and siding make up the wall system of this house. Explain thefunction of each of these parts.419
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Grade 8 Science and Technology/Engineering Test

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