Which of the following is an example of a chemical change?

• Melting ice

• Boiling water

• Burning wood

• Cutting paper

Which of the following is an example of a physical change?

• Baking a cake

• Rusting iron

• Melting butter

• Burning candle

What law states that matter is neither created nor destroyed during a change?

• Law of Energy Conversion

• Law of Conservation of Mass

• Law of Gravity

• Law of Reaction

When vinegar is mixed with baking soda and bubbles appear, this is a ______ change.

• Physical

• Chemical

Cutting a sheet of paper into small pieces is an example of a ______ change.

• Physical

• Chemical

Which of these statements about solids is correct?

• They have no definite shape or volume

• They have definite shape and volume

• Their particles move freely

• Their particles are far apart

The particles in a liquid can ___________.

• Stay fixed in place

• Move and slide past each other

• Spread out completely

• Not move at all

Which of these has no definite shape or volume?

• Solid

• Liquid

• Gas

What happens when water changes from a liquid to a gas?

What process changes gas to liquid?