Chapter 5 Part C

What happens when different substances are mixed together?

• They always form a new substance.

• They may interact and form a new substance.

• They never change.

• They always explode.

What is an example of a chemical change?

• melting ice

• baking a cake

• breaking a glass

• folding a paper

What is an example of a chemical change in the environment?

• Water freezing into ice.

• Wood burning into ash.

• A rock rolling down a hill.

• A cloud forming in the sky.

What is the main role of food scientists?

• To cook delicious food.

• To study and improve food products.

• To design food packaging.

• To sell food to consumers.

What do food scientists ensure about food products?

• They are all organic.

• They are all low-fat.

• They are all safe to eat.

• They are all vegan.