Free Printable Physical and Chemical Reaction

Worksheets

Physical and Chemical Reaction

Total questions: 10

Worksheet time: 6mins

Name

Class

Date

Evaporation and condensation are the main processes in the water cycle. What types of changes are these two processes?

chemical and irreversible

physical and irreversible

physical and reversible

We can recycle waste materials to care for the environment.
Some types of metal are examples of materials that can be recycled.
In the process of recycling, the metal is cut into smaller pieces and melted. It is then made into new objects.

Which of these describes the changes that the metal goes through during recycling?

They are physical changes that can be reversed.

They are physical changes that cannot be reversed.

They are chemical changes that can be reversed.

What happens in a chemical reaction?

In a chemical reaction, substances called ______________ interact to form one or more new substances called ______________.

gases

liquids

products

reactants

There are signs that a chemical reaction has taken place.
Which are some signs of chemical reactions?

change in colour

change in shape

change in temperature