Chemical Changes and Mixtures Concepts

What is a mixture?

• A type of equipment

• A chemical change

• A combination of two or more different things

• A single substance

What happens when a match burns?

• It changes into burned wood and ash

• It stays the same

• It becomes a new match

• It turns into water

Which of the following is NOT evidence of a chemical change?

• Staying the same

• Change in color

• Formation of a new substance

• Release of smell

What is needed for cake batter to change into cake?

• Cold air

• Heat from the oven

• Water

• Sunlight

Why can't we get the water back from a baked cake?

• Because it evaporates

• Because it is absorbed by the cake

• Because it turns into sugar

• Because it is a chemical change