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Rangers1
| Question | Answer |
|---|---|
| Mass | The amount of material in an object |
| Matter | Anything that has mass and takes up space |
| Physical Properties | A characteristic of matter that can be observed, measured, or tested |
| Relative Density | The ability to float or sink when compared to water |
| Substance | A specific kind of matter |
| Volume | A measure of how much space an object takes up |
| Conservation of Matter | a scientific rule that matter is neither created nor destroyed during a change |
| Solution | a mixture of substances that are combined so completely that the mixture looks the same throughout |
| Mixture | a physical combination of two or more substances that are |
| Physical Change | a change of matter in size, shape, or state that does not change the type of matter |
| Particle | any tiny piece or amount |
| Battery | a device that produces an electric current due to changes to the materials inside it |
| Complete Circuit | a closed path through which an electrical current flows |
| Electric Current | the flow of electricity through a conductor |
| Electrical Circuit | a closed path through which an electric current can flow |
| energy of motion | energy that results in movement |
| light energy | a form of energy that makes it possible for the eye to see |
| sound energy | energy that is created by vibrating matter |
| absorb | to soak up or take in |
| reflection | the bouncing of light off of a surface |
| refraction | the bending of light as it passes from one transparent material into another |
| energy transfer | the movement of energy from one object to another |
| equal forces | forces that act together on an object without changing its motion |
| friction | a force between surfaces that slows objects or stops them from moving |
| gravity | a noncontact force that pulls objects toward the center of Earth |
| unequal forces | forces that cause an object to start or stop moving |
| Interaction | to have contact with something through touch or actions |
| Test | to find out the nature or quality of something |
| Weathering | slow process that breaks materials into smaller pieces |
| Erosion | the process of wind or water moving small pieces of rock, soil, and sand from one place to another |
| Deposition | the dropping off of eroded soil, sand, and bits of rock |
| Landform | a physical feature on Earth’s surface |
| Sand dune | a hill of sand formed by wind often located near an ocean or a desert |
| Canyon | a deep valley with steep sides |
| Delta | a triangle of sand and soil deposited at the mouth of where two bodies of water meet |
| Valley | a long area of low land between mountains or hills |
| Sediment | weathered particles of soil or rock that have settled to the bottom of a body of water |
| Glacier | a large sheet of ice that moves slowly across the land |
| Ice Wedging | a type of weathering that occurs when water soaks into a material, freezes, expands, and causes the material to split or break apart |
| Moraine | a long, ridgelike mound formed from glacial debris left behind by a glacier |
| Compaction | the process through which layers of sediment are squeezed together by the weight of sediment above, removing water or air from spaces between particles of sediment |
| Cementation | the process through which loose sediment is stuck together and hardened by minerals |
| Sedimentary Rock | a rock that forms when small bits of materials are pressed together in layers |
| Soil | a mix of tiny rocks and bits of decomposed plant and animal material |
| Coal | a hard black or brown substance that is found in Earth and is burned as fuel |
| Natural Gas | a mixture of gases found in Earth’s crust |
| Oil | a liquid found beneath Earth’s surface used as fuel |
| Fossil Fuels | a source of energy made from the remains of ancient, once-living things |
| Petroleum | thick oil found by drilling beneath Earth’s surface |
| Decay | the process of rotting |
| Water Cycle | the continuous movement of water between Earth’s surface and the air, changing from liquid into gas into liquid |
| Weather | the condition of the sky and air at a given place and time |
| Evaporation | a process through which a liquid changes into a gas |
| Condensation | the process through which a gas changes into a liquid |
| Precipitation | water that falls from clouds to the ground in the form of rain, sleet, hail, or snow |
| Water Vapor | water in the form of a gas |
| Accumulation | the process during which precipitation collects into a larger body |
| Axis | an imaginary line through Earth from the North Pole to the South Pole |
| Day/Night Cycle | the repeating pattern of day and night that occurs every 24 hours |
| Rotate | to turn or spin |
| Sun | the star closest to Earth |
| Apparent Motion | when an object in space seems to move even though it is Earth that is moving |
| Shadow | a dark shape that is made when a source of light is blocked |
| Structure | a part of something |
| Function | the purpose or role for which something is used |
| Species | a group of living things that have many characteristics in common |
| Abiotic Factor | a nonliving part of an ecosystem |
| Biotic Factor | a living thing in an ecosystem, such as a plant, an animal, or bacteria |
| Ecosystem | the living and nonliving things that interact in an environment |
| Organism | an individual living thing |
| Producer | an organism that uses energy from the Sun to make its own food |
| Consumer | an organism that cannot make its own food |
| Decomposer | an organism that breaks down dead plant and animal material |
| Flow of energy | the movement of energy from one organism to another in a food chain or food web |
| Food Web | the overlapping food chains in an ecosystem |
| Deforestation | the removal of trees from a large area |
| Endangered | when a species is in danger of becoming extinct |
| Extinct | when a species has died out completely |
| Overpopulation | a condition of having too many of one type of organism living and using resources in a certain area |
Created by:
kdove15