Matter definition worksheet for Grade 3 with answers

📚 Topic Summary

Matter is everything around you that has weight and takes up space! That means your toys, your books, the air you breathe, and even you are made of matter. Matter can be a solid, like an ice cube; a liquid, like water; or a gas, like the steam from a kettle. Understanding matter helps us understand the world!

🧪 Part A: Vocabulary

Match the following terms with their correct definitions:

1. Term: Volume
2. Term: Mass
3. Term: Solid
4. Term: Liquid
5. Term: Gas

Definitions:

1. A state of matter with a definite shape and volume.
2. The amount of space that matter occupies.
3. A state of matter that can flow and takes the shape of its container.
4. The amount of matter in an object.
5. A state of matter that can expand freely to fill any available space.

✍️ Part B: Fill in the Blanks

Fill in the blanks with the correct words from the word bank: solid, liquid, gas, matter, volume.

Everything around us is made of __________. __________ has mass and takes up __________. An ice cube is a __________, water is a __________, and the air we breathe is a __________.

🤔 Part C: Critical Thinking

Give an example of matter that can change between a solid, a liquid, and a gas. Explain what causes these changes.