Introduction to science

2. Anything that takes up space, and can be weighed
3. Stored energy
7. A simple molecule consisting of two atoms of hydrogen, and one of oxygen
10. Atoms bonded together
11. Made up of protons, neutrons, and electrons
13. Sugar in your blood
16. The process of breathing in oxygen and breathing out carbon dioxide
17. Characteristics that enable us to differentiate one material from another
18. How plants make food
21. Substance that is present at the end of the chemical reactions
23. The number of molecules or atoms involved in a chemical reaction
24. A chemical element and its compounds in the natural state

1. The embryonic stage of a plant life cycle
2. Generates ATP
4. Plants need this along with water and oxygen for photosynthesis
5. Colorless, odorless, and tasteless gas essential to living organisms
6. Increasing of a plants volume and/or mass
8. Parts of plants that absorb water and minerals and transport them to the stems
9. Substance that is present at the start of the chemical reaction
12. Disc shaped structure only found in plants
14. A type of matter with special properties that make it less rigid than a solid, but more rigid than a gas
15. The sun produces this
19. Tells you the number of atoms in an element
20. The begin of the growth of a seed into a seedling
21. Organism that contains Chlorophyll and uses photosynthesis
22. Produces light energy