5th Grade End of Year Science Review 2020

Wind, water, and ice are involved in both weathering and erosion. However, weathering and erosion are two different processes. Which sentence below states a difference between weathering and erosion?

• Erosion moves rocks to a new location.

• Weathering moves rocks from place to place.

• Erosion breaks down rocks but doesn't move them.

• Weathering moves rocks without breaking them down.

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NGSS.4-ESS2-1

Substances can change in different ways. Sometimes they produce new substances. This is called a chemical change. Which is an example of a chemical change?

• an ice cube melting

• a pencil snapping in two

• an eraser getting smaller

• a cake baking in an oven

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NGSS.5-PS1-4

Water carrying sediment down a hill is an example of...

• weathering

• erosion

• deposition

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NGSS.4-ESS2-1

Which of the following actions causes the deposition of sand at a delta?

• river water slowing as it enters the ocean
• salt water & fresh water mixing together
• ocean waves transporting sand toward land
• ocean water slowing as it reaches the coast

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NGSS.4-ESS2-1

Conductors ________ electrons to flow through

• Allow

• Do not allow

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NGSS.4-PS3-2

Insolators____________ electrons to flow through.

• Allow

• Don not allow.

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NGSS.4-PS3-2

Examples of Insolators are......

• plastic and rubber

• Iron, Steel, and Copper

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NGSS.5-PS1-3

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

•  The doorknob sends a burst of electric current into your body
•  Millions of electrons go from your finger into the doorknob
• The doorknob sends millions of electrons into your finger
• Your finger becomes negatively charged

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NGSS.3-PS2-3

NGSS.4-PS3-2

Which of the following is NOT a clue that a chemical change has occurred? 

• change of state of matter
• color change
• production of a gas
• production of heat

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NGSS.5-PS1-4

Mark is observing a burning candle. He notices the melted wax drips down the side of the candle and hardens again. The candle has _____. 

• formed a new substance
• undergone a physical change
• undergone a chemical change
• undergone a physical and chemical change

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NGSS.5-PS1-4