Science Unit 02 Vocabulary
Across
- 2. water which collects as droplets on a cold surface when humid air is in contact with it.
- 6. the tiny number by the element that tells you how many atoms the element has
- 7. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- 9. a reaction that causes a chemical change.
- 10. the statement that says matter cannot be created or destroyed.
- 12. the proccess of iron turning to rust.
- 15. the minor compound in a solution.
- 16. the gain of electrons by a substance.
- 19. a change that affects the chemical properties of an element.
- 20. absorbing thermal heat.
- 21. a change in a substance that only affects physical properties.
- 22. the elements on the left side of a chemical equation.
- 23. the elements of the right side of a chemical equation.
- 24. something that you can seperate.
Down
- 1. when both sides of the chemical equation or balanced.
- 3. an equation that has reactants and products.
- 4. the ability of something to disolve.
- 5. a mixture that its composition is spread evenly thoughout the mixture
- 8. being able to disolve in other substances.
- 9. the big number next to a chemical formula that tells how many molecules there are.
- 11. release of thermal heat.
- 13. a solid that forms after a chemical reaction.
- 14. somthing that is made up of two or more different elements.
- 17. a group of atoms bonded together.
- 18. a mixture that its composition is spread evenly throughout the mixture.