1. 4th Grade Vocabulary Part Four
Matter

2. Matter
Anything that has mass and takes up space

3. Mass
The amount of matter in an object

4. Particles are close together with little room to move
Solid
The state of matter that has a definite shape and a definite volume
Particles are close together with little room to move

5. Particles have room to slide past each other
Liquid
The state of matter that has a definite volume but no definite shape
Particles have room to slide past each other

6. Particles have lots of room to move around
Gas
The state of matter that has no definite shape or volume
Particles have lots of room to move around