Understanding States of Matter: Science Worksheet for 9-Year-Olds

Instructions

Read the questions below and answer them to the best of your ability. Have fun learning about the states of matter!

1. What are the three main states of matter? Write them down:

2. Describe what happens to the molecules in a solid:

3. How does a liquid differ from a solid? List two differences:

4. What happens to a substance when it changes from a solid to a liquid? Write your answer:

5. Fill in the blanks: When heat is added to a liquid, it can change into a __________. This process is called __________.

6. Draw a simple diagram showing the arrangement of molecules in a solid, a liquid, and a gas. Label each part:

7. Choose one state of matter (solid, liquid, or gas) and write down an everyday example:

8. Fun Fact! Did you know that there are more than three states of matter? Research and write down one example of a lesser-known state of matter: