Unit 1-4 Vocabulary

1. To have young, or more living things of the same kind.
4. The distance between a point on one wave and the identical point on the next wave.
7. Half of the distance from the crest to the trough of a wave.
10. Figuring out what went wrong with a soliton and why.
12. Letting all light through.
15. The process of designing new or improved technology.
17. A change in energy from one form to another.
18. A plant part that is usually underground and absorbs water and minerals from the soil.
20. The part of a plant that makes food using air, light, and water.
22. To move back and forth.
24. The movement of energy from place to place or from one object to another.
25. A real-world limit on a solution.
28. Not letting any light through.
29. The result of two objects bumping into each other.
31. The process when male and female reproductive parts join together.

2. The transfer of pollen in flowers or cones.
3. A test that does not give any advantage to the conditions or objects being tested.
5. The bouncing of light waves when they encounter an obstacle.
6. The top part of a wave.
8. The ability to do work and cause changes in matter.
9. The desired features of a solution.
11. The bottom part of a wave.
13. Letting some light through.
14. The up-and-down movement of a surface water. It can also be a disturbance that carries energy through space.
16. The flow of electric charges along a path.
19. to make a solution as good as possible.
21. The part of a plant that contains a new plant.
23. The energy that moves between objects to different temperatures.
26. A reproductive structure of some plants, such as mosses and ferns, that can form a new plant.
27. How loud or soft a sound is.
30. The part of a plant that holds it up and has tubes that carry water, minerals, and nutrients through the plant.