Read the clue. Fill in the crossword puzzle with the correct word. The crossword puzzle will turn green if you are correct! Take a picture of the completed puzzle to show your teacher.
1. Smallest unit of matter; the basic building block of matter
2. Smallest unit of life; the basic structure that performs the functions of living things
3. The process by which chemical energy in sugar molecules is changed into energy that the organism can use for growth, repair, and reproduction
4. The bond that holds atoms together in molecules; The atoms are held together by chemical energy.
5. When atoms in substances are rearranged to form new substances
6. The way we write a chemical reaction
7. A process in which substances go through a chemical change to form new substances
8. A part of a cell that contains chlorophyll
9. A pigment found in chloroplasts whose function is to trap energy from the sun for photosynthesis
10. The ability to do work
11. Energy cannot be created and it cannot be destroyed. It can only change from one form to another.
12. Anything that takes up space and has mass
13. A part of a cell known as the “powerhouse of the cell;” provides the energy that the cells need for growth, repair, and reproduction
14. formed when two or more atoms are combined
15. The process by which energy from the sun is used to convert carbon dioxide and water into sugar and oxygen
16. Substances that exist after the chemical reaction takes place
17. Substances that exist before the chemical reaction takes place
X
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