Unit 3 Practice Test

Your teacher is donating 25 books to the school library. Choose the object below that would be the best to carry 25 books.

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• 
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Jamie is sorting objects by length. Which of the following tools would be MOST
helpful measuring length?

• Ruler

• Magnifying Glass

• Hammer

Once ice has changed to liquid water, can it be changed back to ice again?

• No, it can never be turned back

• Yes, by heating the water

• Yes, by cooling the water

The two types of change are known as irreversible and reversible.

• Yes

• No

The three states of matter are solids, liquids, and ________.

If paper has been turned into ash, is this a reversible or irreversible change?

• Reversible

• Irreversible

If a spoon has become really hot, is this a reversible or irreversible change?

• Reversible

• Irreversible

Matter is anything that takes up weight and has mass.

• True

• False

Ice is the solid form of water.

• True

• False

Will solids lose their shape if you drop them?

• Yes

• No