Matter Key Terms

2. How much stuff is inside something. We can measure mass using grams or kilograms.
3. This keeps its own shape and does not change easily.
4. Anything that takes up space and can be touched.
9. A tiny piece of something that is too small to see.
11. Made of only one kind of thing.
12. Something that can change in an experiment.
13. Three different forms: solid, liquid, and gas.
15. Something that stays the same during an experiment. (2 Words)
16. Tells us how heavy something is compared to its size. If something has a lot of stuff packed into a small space, it has high density.

1. A special feature of something. Things like shape, size, and weight (2 Words)
5. This is what happens because of the changes in an experiment.(2 Words)
6. This is how much space something takes up.
7. This something an experimenter changes on purpose. (2 words)
8. Something that can move around freely. It has no fixed shape and can fill up any container it is in.
10. How easily something can be squeezed into a smaller space when pushed.
11. These are special ways scientists measure things all around the world.
14. Can flow and change shape. It stays the same size but can take the shape of its container.