| Term | Definition |
|---|
| hypothesis | a statement that we can test |
| mass | a measure of the amount of matter an object contains |
| volume | the amount of space an object takes up |
| inference | a reasonable conclusion based on what you observe |
| inherited traits | traits passed on from parents to offspring, they are controlled by genes |
| learned behavior | behavior you're not born knowing how to do, that you must be taught to do |
| adaptation | an inherited trait that helps an organism meets its needs |
| organisms | living things such as plants and animals, including people |
| instinctive behaviors | behaviors animals are born knowing how to do |
| habitat | the place where an animal or species lives |
| photosynthesis | the process by which plants use carbon dioxide gas, water, and energy from the sun to produce its' own food |
| herbivores | a species that eats or consumes only plants |
| carnivore | a consumer that eats other consumers (a meat eater) |
| omnivore | a consumer that eats both producers and other consumers (plants and meat) |
| decomposers | organisms which get their energy by breaking down dead organisms and the wastes of living organisms |
| food web | a diagram that shows how energy moves from one organism to another in an ecosystem |
| evaporation | when water at Earth's surface moves into the air |
| precipitation | when water falls back to the ground |
| condensation | when water condenses to form clouds |
| plants | release oxygen and take in carbon dioxide during photosynthesis |
| animals | breathe in oxygen and breathe out carbon dioxide |
| proteins | chemicals needed for growth |
| matter | anything that takes up space and has mass |
| mass | the amount of matter in an object |
| weight | the measure of force of gravity on an object |
| solid, liquid, and gas | the three states of matter |
| solid | state of matter in which particles are packed tightly together and it maintains its shape |
| liquid | state of matter in which the particles flow past each other and it takes on the shape of its container |
| gas | state of matter in which the particles flow freely and they take on both the shape and the volume of their container |
| mixture | when two or more substances are mixed together but can be physically separated fairly easily |
| solution | a mixture in which one substance dissolves into another |
| solar energy | energy that comes from the sun |
| electric current | movement of electricity through an electric circuit |
| vibration | a motion that causes sound |
| refraction | the bending of light |
| reflection | the bouncing of light |
| lens | a curved piece of glass or other material used to refract light |
| convex lens | a lens that is thicker in the middle than at the edges and bends light rays towards one another |
| concave lens | a lens that is thicker at the edges than in the middle that bends light rays away from one another |
| force | any push or pull |
| tides | the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth |
| sun | the only part of the solar system which produces light of its' own |
| weathering | breaking down rocks |
| erosion | carrying sediments to another location |
| renewable resources | resources that can be replaced in a short amount of time |
| nonrenewable resources | resources that cannot be replaced in a short amount of time, people will use them up before they can be replaced by nature |
| inexhaustible resources | resources that people cannot use up |
Combine with other sets
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