Across
- 3. two or more substances put together
- 5. what can you observe or measure about something that helps you identify or describe it
- 6. information that supports an answer to a question
- 8. to use any of the five senses to gather information about something
Down
- 1. is a single part of a mixture
- 2. something scientists make to answer questions about the real world
- 3. the stuff that things are made of
- 4. a group of atoms grouped together in a particular way
- 7. a tiny piece of matter that is too small to see