Understanding Matter: Quiz for 3rd Grade

What are the three states of matter?

• Solid, Liquid, Gas
• Solid, Water, Air
• Liquid, Gas, Peanut Butter
• Solid, Liquid, Ice

Why do liquids take the shape of their container?

• Because they have a definite shape
• Because their particles can move around
• Because they are solid
• Because they are gas

What happens to water when it evaporates?

• It becomes a solid
• It becomes a liquid
• It becomes a gas
• It becomes a plasma

Why can gases spread out forever?

• Because their particles are packed closely
• Because their particles are spaced farther apart
• Because they have a definite volume
• Because they are heavy

Which of the following is an example of a solid?

• Juice
• Oxygen
• Chair
• Helium

What is mass?

• The amount of space an object takes up
• The amount of matter an object has
• The shape of an object
• The color of an object

Which state of matter has a definite shape?

• Solid
• Liquid
• Gas
• Plasma

What is the main difference between solids and liquids?

• Solids have a definite shape, liquids do not
• Liquids have a definite shape, solids do not
• Solids can flow, liquids cannot
• Liquids are heavier than solids

What are molecules?

• Tiny particles that make up matter
• Large particles that make up gases
• Invisible particles that make up liquids
• Colorful particles that make up solids

If a liquid is poured from a tall glass into a wide bowl, what property of the liquid changes?

• Its mass
• Its shape
• Its volume
• Its weight