Across
- 1. something scientists make to answer questions about the real world.
- 6. a group of atoms joined together in a particular way.
- 8. a way to separate a mixture by passing it through a material.
- 11. to figure out what something is or what group it belongs to.
- 12. a tiny piece of matter that is too small to see.
- 14. matter that is made of only one kind of atom or molecule.
- 15. information that supports an answer to a question.
Down
- 2. an illustration that shows how something works or what its parts are.
- 3. a material that separates out some parts of a mixture.
- 4. a tool that spins a mixture very fast to separate the parts.
- 5. the liquid part of blood.
- 7. what you can observe or measure about something that helps you figure out what it is.
- 9. how hot or cold something is.
- 10. matter that is made of more than one substance.
- 13. the stuff that things are made of.