Third Grade Science Test #2

1. tiny insects and worms that help to break dead things down
2. the leaves and branches of a tree
3. this and bacteria are plant-like organisms which contain no chlorophyll
5. pine trees have these narrow leaves
8. the act of moving pollen from flower to flower
9. these forests have trees that change color in autumn
11. yellow powdery dust formed by flowers
12. plants grow these downward to absorb water and minerals from the soil
14. the part of a plant that makes seeds
16. in a tree trunk, the lighter rings of wood that carry sap
17. the part of a plant which carries water and minerals upward and food downward
18. means to make more of its kind, God designed plant life to do this
20. these need water, right temperature, air to sprout
22. structure that holds and protects seeds
24. green material in plants

1. a carbon gas given off by people and animals that plants need
4. all living things depend on these
6. all of this type of plant have seeds
7. when a seed is resting
10. the circles or rings in a tree trunk that show a year's growth of new wood
11. food-making process of green plants
13. we need these to live because they give us: oxygen, as food, building materials
15. ferns and mosses are green plants that begin as this
19. part of the plant that makes food
21. the energy that helps plants make food
23. protective "skin" of a tree trunk