Chemical Reactions Lesson 1 & 2

Front

What do you call the chemicals that are used in a chemical reaction?

Back

reactants

Front

What do you call the chemicals that are made in a chemical reaction?

Back

products

Front

Which of the following is not a sign of a chemical reaction?

• Temperature change
• Fizzing
• Colour change
• Dissolving

Back

Dissolving

Front

What happens every time a chemical reaction takes place?

Back

A new substance is made

Front

Which of these cannot be easily reversed? Chemical reaction, Physical change

Back

Chemical reaction

Front

Is ice melting a chemical reaction or a physical change?

Back

Physical change

Front

Is hair growing a chemical reaction or a physical change?

Back

Chemical reaction

Front

Is a bomb exploding a chemical reaction or a physical change?

Back

Chemical reaction

Front

Are wet clothes drying a chemical reaction or a physical change?

Back

Physical change

Front

Is baking a cake a chemical reaction or a physical change?

Back

Chemical reaction