Term
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Definition
| when a liquid soaks into a material |
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Term
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Definition
| water that is underground in layers of rock or sediment |
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Term
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Definition
| a dome-shaped drop of water |
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Term
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Definition
| up when water drops, or beads, sit on top of a waterproof surface |
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Term
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Definition
| the part of a waterwheel that the water pushes as it moves downward |
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Term
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Definition
| the process by which water vapor changes into liquid water, usually on a surface |
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Term
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Definition
| when water vapor touches a cool surface and becomes liquid water |
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Term
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Definition
| to use carefully and protect |
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Term
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Definition
| to get smaller; to take up less space |
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Term
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Definition
| organic matter humus; dead or discarded parts of plants and animals |
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Term
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Definition
| the amount of mass compared to the volume |
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Term
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Definition
| water that condenses on a surface when the temperature drops at night |
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Term
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Definition
| the course or line along which something moves, faces, lies or points |
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Term
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Definition
| the shape a drop of water takes when it is on a flat surface. It is like a flattened hemisphere. |
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Term
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Definition
| the movement of water through soil |
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Term
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Definition
| material any substance that makes up or comes from the earth |
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Term
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Definition
| a form of energy that can produce light, heat, and magnetism |
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Term
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Definition
| source a place where energy comes from, such as coal, petroleum, and natural gas |
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Term
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Definition
| when liquid water in a material dries up and goes into the air |
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Term
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Definition
| the process by which liquid water changes into water vapor |
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Term
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Definition
| to get bigger; to take up more space |
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Term
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Definition
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Term
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Definition
| to stay on the surface of water as a result of being less dense than water |
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Term
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Definition
| strength or power exerted on an object |
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Term
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Definition
| fuel a fuel extracted from Earth, such as petroleum, natural gas, or coal |
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Term
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Definition
| to change from a liquid to a solid state as a result of cooling |
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Term
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Definition
| water water that is in lakes, rivers, ground water, soil, and the atmosphere |
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Term
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Definition
| a state of matter with no definite shape or volume; usually invisible |
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Term
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Definition
| a large mass of ice moving slowly over land |
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Term
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Definition
| rocks that are smaller than pebbles and drain water quickly |
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Term
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Definition
| the natural force that pulls objects toward each other. On Earth, all objects are pulled toward the center of Earth. |
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Term
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Definition
| bits of dead plant and animal parts in the soil |
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Term
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Definition
| a severe tropical storm that produces high winds |
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Term
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Definition
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Term
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Definition
| a large mass of ice that has broken from a glacier and floats in the ocean |
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Term
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Definition
| dense when an object floats in water, it is less dense than water |
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Term
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Definition
| a state of matter with no definite shape but a definite volume |
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Term
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Definition
| the amount of material in something |
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Term
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Definition
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Term
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Definition
| to change from a solid to a liquid state as a result of warming |
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Term
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Definition
| two or more substances together |
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Term
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Definition
| dense when an object has more mass for its size than another object. When an object sinks in water, it is denser than water. |
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Term
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Definition
| to change place or direction; to put in motion |
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Term
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Definition
| material any material that makes up or comes from the earth; earth material |
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Term
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Definition
| resource a material such as soil or water that comes from the natural environment |
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Term
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Definition
| resource a natural resource that cannot be replaced if it is used up. Coal, petroleum, and natural gas are nonrenewable resources. |
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Term
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Definition
| renewable resource a renewable resource that lasts forever |
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Term
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Definition
| rain, snow, sleet, or hail that falls to the ground |
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Term
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Definition
| something that you can observe about an object or a material. Size, color, shape, texture, and smell are properties. |
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Term
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Definition
| a connection or association |
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Term
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Definition
| resource a natural resource that can replace or replenish itself naturally over time. Air, plants, water, and animals are renewable resources. |
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Term
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Definition
| when a liquid does not soak into a material |
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Term
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Definition
| a place where water is collected and stored |
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Term
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Definition
| to hold or continue to hold |
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Term
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Definition
| rain that does not evaporate or soak into the ground |
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Term
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Definition
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Term
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Definition
| the part of a waterwheel that the blades turn |
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Term
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Definition
| to go under water as a result of being denser than water |
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Term
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Definition
| a slanted or tilted surface |
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Term
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Definition
| to be absorbed or move into another material |
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Term
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Definition
| a mixture of humus, sand, silt, clay, gravel, or pebbles |
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Term
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Definition
| radiation light from the Sun |
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Term
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Definition
| a state of matter that has a definite shape and volume |
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Term
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Definition
| a kind or form of matter. The three common states of matter are solid, liquid, and gas. |
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Term
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Definition
| surge when water piles up along a coast, rushing toward land faster than it can return to sea |
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Term
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Definition
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Term
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Definition
| area the area of liquid exposed to or touching the air |
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Term
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Definition
| tension the skinlike surface on water |
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Term
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Definition
| a description of how hot or cold something is |
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Term
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Definition
| the feel or general appearance of an object or a material |
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Term
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Definition
| a tool used to measure temperature |
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Term
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Definition
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Term
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Definition
| a liquid earth material made of hydrogen and oxygen |
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Term
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Definition
| cycle the repeating sequence of condensation and evaporation of water on Earth, causing clouds and rain and other forms of precipitation |
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Term
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Definition
| quality a term used to describe the purity of water |
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Term
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Definition
| retention the ability to soak up and hold water |
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Term
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Definition
| turbine a modern waterwheel |
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Term
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Definition
| vapor the gaseous state of water |
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Term
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Definition
| a nonporous or nonabsorbent surface on which water will bead up and flow off |
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Term
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Definition
| a wheel turned by the force of moving water |
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