States of Matter

1. What is matter? Choose the best answer.

• a. Anything that is solid
• b. Anything that takes up space
• c. Anything that has a fixed volume
• d. Anything that can be seen

2. In what way are liquids different from solids?

• a. Liquid molecules are lighter than solid molecules.
• b. Liquids are made of atoms; solids are made of molecules.
• c. Liquids don't have a fixed shape; solids do.
• d. Liquids are always denser than solids.

3. What happens to the chemical structure of water when it changes state?

• a. Water molecules break apart to form individual atoms.
• b. Water molecules harden into ice molecules.
• c. Water molecules melt into gas molecules.
• d. Nothing happens to the chemical structure.

Tags

NGSS.MS-PS1-4

4. What will happen if you keep increasing the temperature of a liquid?

• a. It will boil and become a gas
• b. It will transpire
• c. It will remain a liquid
• d. It will solidify

Tags

NGSS.MS-PS1-4

5. What do lightning and stars have in common?

• a. Both have no electrical charge
• b. Both contain plasma
• c. Both have a fixed volume
• d. Both contain all three states of matter

6. Water's chemical formula is "H2O." What does this mean?

• a. Water is composed of hydrogen molecules and oxygen molecules.
• b. A gram of water contains 20 hydrogen atoms.
• c. Each water molecule contains two hydrogen atoms and one oxygen atom
• d. Water molecules cannot be split into smaller pieces.

Tags

NGSS.MS-PS1-1

7. What is the basic shape of a liquid?

• a. A sphere
• b. The same shape as a gas, only rounder
• c. A cube
• d. Whatever shape its container is

8. How can you remove energy from matter?

• a. By increasing its volume
• b. By lowering its temperature
• c. By increasing its pressure
• d. By boiling it

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

9. Gases have a tendency to expand. What's the best synonym for "expand?"

• a. Collide
• b. Spread out
• c. Shrink
• d. Boil

10. Where would you find a Bose-Einstein condensate?

• a. Inside stars
• b. At the North Pole
• c. In a science lab
• d. Bose-Einstein condensates exist only in theory