Chemical and Physical Changes

When turning on the Bunsen burner, where should the air holes be?

• It does not matter

• Open

• Closed

What does PPE stand for?

• Personal, Protective, Equipment

• People, Protective, Equipment

What safety equipment should be worn when working with chemicals?

How many states of matter can be observed in everyday life?

• 1

• 2

• 3

• 4

What is the only substance that can change into all 3 states?

What does boiling point mean?

• The tempurture at which a liquid boils

• The tempurture at which a substance boils

• The Tempurture at which a solid boils

What does melting point mean?

• The tempurture at which a substance changed from a solid to a liquid

• The tempurture at which a liquid changes into a gas

• The tempurture at which a liquid changes to a solid

What is evaporation?

What is condensation?

• Gas turning back inot a liquid

• Liquid turning into gas

• Solid turning into a liquid

How do gasses differ from liquids?