Science Quiz

Which of the following is the best definition of dissolve?

• The melting of a solid into a liquid

• When one substance breaks down into another substance

• When water is used to liquefy a solid

• When a solid and a liquid substance are separated

What is a synonym for the word molten, used in paragraph 6?

• liquid

• hardened

• magnetic

• dissolved

Which of the following objects is a malleable metal?

• A glass bead

• A copper coin

• A plastic toy boat

• A rock

Which of the following is not an example of a physical change?

• Salt dissolving in water

• Plastic being melted into a liquid

• Paper being burned into ash

• Water being boiled and creating steam

Which of the following is not a state of matter?

• Solid

• Liquid

• Gas

• Energy

Which of the following is not true about the conservation of matter? (check all that apply)

• Changing the state of matter does not change the amount of matter.

• Matter can be created in a science lab.

• Boiling is not a physical change.

• Physical changes cannot change volume.

• Matter cannot be created or destroyed.

Which physical change is shown in the photo at the bottom of page two?

• Melting

• Dissolving

• Freezing

• Boiling

What can you infer about metal casting using the information in the second paragraph on the second page about changes to matter?

• When molten metal is cooled, it turns into a gas.

• When molten metal is cooled, it remains liquid.

• When molten metal is cooled, it loses mass.

• When molten metal is cooled, it turns into a solid.

Which of the following best describes the text structure of the “What is Matter?” section?

• Compare and contrast

• Cause and effect

• Chronological

• Investigation

What is the main idea of the selection?

• When a chemical change occurs within a substance, it loses mass.

• Matter exists in three phases: solid, liquid, and gas.

• When a physical change occurs within a substance, it does not change its identity and matter is conserved.

• When you freeze water or slice an apple, you still have the same amount of matter as before.