Explore the States of Matter: Fun Science Worksheet for 9-Year-Olds

Instructions

Read each question carefully and circle the correct answer. Use the space provided to write a short explanation for your choice when asked.

1. What are the three main states of matter?
   a) Solid, Liquid, Gas
   b) Solid, Liquid, Plasma
   c) Solid, Gas, Smoke
   
   Explain why you chose your answer:
2. Which state of matter has a definite shape and volume?
   a) Liquid
   b) Gas
   c) Solid
   
   Explain why you chose your answer:
3. Which state of matter takes the shape of its container but has a definite volume?
   a) Solid
   b) Gas
   c) Liquid
   
   Explain why you chose your answer:
4. In which state of matter do particles move freely and are far apart from each other?
   a) Solid
   b) Liquid
   c) Gas
   
   Explain why you chose your answer:
5. What happens to the particles in a solid when it is heated?
   a) They move closer together
   b) They move faster and may change to a liquid
   c) They stop moving
   
   Explain why you chose your answer: