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Hreha
Science Vocabulary
| Term | Definition |
|---|---|
| Vibration | the back-and-forth motion of an object |
| Transparent | describes materials that let nearly all light pass through them |
| Translucent | describes materials that let some light pass through, but not all |
| Opaque | describes materials that do not let any light pass through them |
| Reflection | light/sound bouncing off of an object |
| Refraction | bending of light |
| Absorption | traps in light energy and turns it in to heat energy |
| Friction | the force that results when two materials rub against each other or when their contact prevents sliding |
| Force | a push or pull that acts on an object |
| Revolution | one full orbit around the sun (1 year) |
| Axis | an imaginary line around which an object spins |
| Rotation | one whole spin of an object on its axis (1 day) |
| Planet | a large, round object that revolves around a star and has cleared the region around its orbit |
| Moon | a natural object that revolves around a planet |
| Comet | a frozen mass of different types of ice and dust orbiting the sun |
| Inner Planets | any of the four closest planets to the sun (small and rocky) |
| Outer Planets | any of the four planets in our solar system beyond Mars (large & gaseous) |
| Dwarf Planet | a large round object that revolves around the sun but has not cleared the region around its orbit (Pluto) |
| Asteroid Belt | The region between Mars and Jupiter of rocky masses that revolve around the sun |
| Ecosystem | all the living and nonliving things in an area and their interactions |
| Predator | a consumer that hunts and eats another animal |
| Prey | any animal that is hunted by others for food |
| Habitat | a place that provides all the things (food, water, space, shelter) an organism needs to live |
| Food Chain | depicts one way energy flows through an ecosystem |
| Food Web | a diagram that combines many food chains into one picture |
| Consumer | an organism that cannot make its own food; its role is to eat other organisms |
| Producer | an organism that can produce its own food |
| Photosynthesis | the process by which producers (plants) make their own food using sunlight, water and carbon dioxide |
| Carnivore | a consumer that eats only meat |
| Herbivore | a consumer that eats only plants |
| Omnivore | a consumer that eats both plants and animals |
| Decomposer | an organism that gets its energy by breaking down wastes and dead organisms |
Created by:
nhreha
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