Science Vocabulary

2. allows energy to pass through it
4. the dropping off of weathered sediments.
5. a group of food chains in an ecosystem.
7. type of energy that travels in waves, dolphins use this energy to find food.
8. matter that has no definite shape but a definite volume.
10. an invisible force that pulls objects toward each other like towards earth or that keeps planets in orbit.
13. light bouncing off of a shiny surface.
14. the amount of matter in an object.
16. when an object stays afloat
17. This energy is energy in motion
18. travels in a straight line until it hits a medium
19. the breaking down of sediments into smaller pieces.
20. a community of living and nonliving things.
21. the movement of weathered sediments.

1. stops the flow of energy
3. the amount of space a liquid or object takes up.
6. the amount of matter packed in an object allowing it to sink or float in a liquid.
9. the ability for a substance to dissolve.
10. matter that has no definite shape no definite volume
11. type of energy that produces heat
12. light bending as it travels through a medium.
14. Anything that has volume and mass.
15. attracts items composed of metal also a type of force.