Across
- 2. - A type of molecule that stores energy and makes up cell membranes.
- 4. - A pure substance made up of only one type of atom.
- 6. - A substance that has a bitter taste and can turn red litmus paper blue.
- 7. Equation - A way to show what happens during a chemical reaction, with symbols for the chemicals involved.
- 10. - The smallest part of an element.
- 11. - A type of molecule that gives energy to the body. They are made of sugar.
- 12. - The substances you start with in a chemical reaction.
- 15. - A type of molecule made of amino acids that helps build muscles and other parts of the body.
Down
- 1. Formula - A way to show what atoms are in a compound and how many of each there are.
- 3. - The substances you get after a chemical reaction.
- 5. - A substance that has a sour taste and can turn blue litmus paper red.
- 6. Equations - Making sure there are the same number of atoms on both sides of a chemical equation.
- 8. Bond - A type of bond where atoms share electrons to stick together.
- 9. Bond - A type of bond where one atom gives away an electron to another atom, making them stick together.
- 13. Storage - The way the body keeps energy for later use.
- 14. - An atom or molecule that has a charge because it has gained or lost electrons.
- 15. - A scale that measures how acidic or basic a substance is, from 0 to 14.