Across
- 2. When the composition of matter does not change, only the appearance changes.
- 12. Two or more substances not chemically combined with a variable composition.
- 13. The basic unit of matter.
- 15. The study of matter and energy interactions.
- 17. The amount of matter in an object.
- 20. The study of matter.
- 21. When matter changes its composition into something new.
- 22. The simplest substances that cannot be broken down.
- 24. The application of science for practice purposes.
- 25. A mixture where all the different parts are visible.
- 27. The study of living things.
- 28. How long an event occurs or lasts.
- 29. The measure of the force of gravity on an object.
Down
- 1. The amount of space an object occupies.
- 3. A summary of observations.
- 4. A description of how close a measurement is to the true value.
- 5. The ability and willingness to assess claims and make judgments objectively using supported reasons.
- 6. A system of knowledge obtained by observing natural events to discover facts and laws that can be verified or tested.
- 7. A mixture that all looks the same.
- 8. The variable that you change in an experiment.
- 9. Two or more elements chemically combined with a fixed ratio.
- 10. How close a group of measurements are to one another.
- 11. A detailed explanation of events.
- 14. The straight-line distance between two points.
- 15. Matter that has a fixed and uniform composition.
- 16. The study that focuses on Earth and its place in the universe.
- 18. Anything that has mass and takes up space.
- 19. The variable you observe in an experiment.
- 23. A representation of an object or event that can be studied to better understand the object or event.
- 26. A measure of how hot or cold an object is.