Across
- 1. a reaction where energy is released
- 3. state of matter where molecules are not interacting much
- 7. composed of only one type of atom or molecule
- 10. the standard of length
- 13. rusting is an example of what?
- 14. pure substance that cannot be broken down
- 16. solid atoms or molecules arranged in geometric patterns with long range, repeating order
- 17. the standard of mass
- 20. fundamental building block of matter
- 22. the substances present before the chemical change in a reaction
- 23. matter is neither created nor destroyed
- 26. pure substance composed of two or more elements in fixed definite proportions
Down
- 2. two or more atoms joined together
- 4. producing knowledge as the result of the senses
- 5. what type of property will get displayed without changing the composition of the original substance
- 6. cereal is an example of what mixture
- 8. the standard of time
- 9. models that explain/give the underlying causes for observations and laws
- 10. anything that occupies space and has mass
- 11. when a liquid turns to a gas
- 12. mass/volume
- 15. defined as the result of force acting on a distance
- 18. the energy associated with motion
- 19. a measure of space
- 21. a milkshake is an example of what mixture
- 24. composed of different substances that are not chemically united
- 25. state of matter where molecules are tightly packed and vibrate around a fixed point