matter that has a definite shape an volume & an organized arrangement of particles that remain very close together and vibrate slowly matter that has a definite volume but not shape

1. solid

matter that has a definite shape an volume & an organized arrangement of particles that remain very close together and vibrate slowly

2. liquid

matter that has a definite volume but not shape. It takes the shape of its container. The particles remain close together and slide past each other in a fluid motion

3. gas

matter that has no definite shape or volume. It takes the shape & volume of its container. Particles move fast and are far apart.

4. microscope

thing you cannot see with your unaided eye

5. atom

the basic building block of matter

6. element

the simplest type of substances made up of identical atoms

7. molecule

a combination of 2 or more atoms

8. particle

atoms and molecules that make up substances

9. thermal energy

the energy of motion of the particles of matter

10. heat

the transfer of thermal energy from a warmer substance to a cooler one