Science U2: Matter Test

List ALL truths about atoms

• Atoms cannot be seen without an atomic microscope

• atoms are the smallest unit of measurement for matter

• Atoms have a tiny amount of mass

• Scientists in specialized labs can determine the type of atoms

• We can see atoms if 5 are clustered together

Mrs Gil likes hot cocoa. Bill likes chocolate milk. Mrs. Gil's chocolate always dissolves __________ because of the temperature _____________.

• slower; decrease

• slower; increase

• quicker; decrease

• quicker; increase

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A chemical change can be shown by:

• a change in color

• a change in odor

• a change in what makes up the material

• all of the above

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Which temperature will dissolve sugar in water the fastest?

• 0 degrees celsius

• 10 degrees celsius

• 20 degrees celsius

• 30 degrees celsius

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NGSS.MS-PS1-4

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Mr. F made banana bread. He baked it in the oven for 50 minutes at 350F. What change is most similar to the banana bread baking? Choose one.

• water boiling

• corrosion forming on iron bearings in water

• a party balloon filled with helium going upward

• writing a letter to grandma

• A basketball sitting out in the hot Florida sun

Ms. Ferguson is making party punch with fruit, warm Sprite, sugar, and Juicy Juice in a plastic bowl. What could she do to best accelerate the rate the sugar will dissolve? Choose two

• Add an ice block

• Put it in the freezer

• Use mechanical energy (shake or stir it)

• Switch it from a plastic to a metal bowl

• Heat it up on the stove

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Which are examples of a physical change?

• breaking a stick

• burning a stick

• gasoline being used in a car

• crumbling a piece of paper

• a nail rusting

Which are examples of a chemical change?

• Shattering a coffee mug

• making pancakes

• Letting carbonation evaporate in a sparkling water

• Rust on an old car

• a factory turning trees into paper

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Which of the following will not dissolve in water?

• butter

• Oil

• salt

• sugar

• noodles

Which example would have the slowest chemical change?

• A banana left out in the Florida sun

• A banana left out on the counter

• A banana put in the fridge

• A banana that you just ate because you're a minion.

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