Science 4 - Unit 3 (Solid, Liquid, Gas)

What is glass made from?

• Sand, soda ash, limestone
• Wood and rubber
• Plastic and metal
• Salt and water

What is a substance?

• A type of material
• A pure type of solid, liquid, or gas
• A mixture of materials
• An object made of wood

What happens when heat is added to ice?

• It solidifies
• It melts
• It evaporates
• It cools

What is the process of a liquid turning into a solid called?

• Melting
• Heating
• Solidifying
• Boiling

Particles in solids are packed how?

• Loosely
• Far apart
• Closely together
• Moving freely

Which of these is an example of a liquid?

• Rock
• Oxygen
• Water
• Ice

What is a property of solids?

• They flow freely
• They take the shape of their container
• They keep their shape unless a force is applied
• They are invisible

What happens to particles when a substance is heated?

• They slow down
• They move faster
• They stop moving
• They freeze

What are materials made of?

• Substances
• Wood
• Plastic
• Liquid

What is melting?

• A solid turning into a liquid
• A liquid turning into a gas
• A gas turning into a solid
• A solid turning into a gas