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4th Grade Science

Science Vocabulary

TermDefinition
Natural Resource Natural Resource is a material that comes from nature; it is useful to humans.
Human made resource Human made resources are materials that are made by humans.
Watershed A watershed is an area of land over which surface water flows to a single collection place.
River A River is a long, ribbon-like waterway that flows toward the ocean, lake, bay, or other river.
Lake A lake is a large, inland body of water.
Minerals Minerals are solid substances that occur naturally.
Ore An ore is a deposit in Earth's crust of one or more valuable minerals (copper, gold).
Rocks Rocks are a naturally occurring solid material composed of one or more minerals.
Soil Soil is a mixture of minerals and organic material that covers much of Earth's surface.
Ocean An ocean is a large body of salt water. Oceans cover more than 70% of Earth’s surface.
Bays Bays are a body of water surrounded by land on three sides and connected to a larger body of water.
Organism An organism is any living thing.
Downstream Downstream is the direction the water in the river flows.
Natural Forest A natural forest is a forest that grows naturally, without humans planting trees.
Cultivated forest A cultivated forest is a forest that has been planted by humans.
Rotate Rotate means to turn around on an axis
Revolve Revolve means to turn around an object
Orbit An orbit is the path a planet takes
Terrestrial Terrestrial Planets are the first four planets, they have a hard rocky surface
Gas Giants Gas Giants are the outer four planets, they are made of many gasses and you cannot land on them.
Moon The moon is a small, rocky satellite
Sun The sun is an average-sized yellow star
Seasons Seasons are when the sun’s rays to hit the Earth’s surface at different angles
Moon Phases The moon phases are the different appearances of the moon as it revolves around the Earth
Axis An axis is an imaginary straight line going through the center of an object
Tides Tides are the daily rise and fall of the Earth’s water
Created by: lwalker3
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