Across
- 2. a tool that helps people see small things
- 4. matter that is only made out of one atom or molecule
- 6. matter that is made of more than one substance
- 7. to pull an object even without touching it
- 9. a group of atoms joined together in a particular way
Down
- 1. what you can observe or measure about something that helps you figure out what it is
- 2. the stuff that things are made of
- 3. to use any of the five senses to gather information about something
- 5. a tiny piece of matter that is too small to see
- 8. something scientists make to answer questions in the real world