a mountain made from hardened lava,rocks, and ash that erupted underneath the Earth's surface
What is a volcano?
the high walls along a river and the river itself
What is a canyon?
materials in the environment that are useful to people
What are natural resources?
a type of fossil fuel that is a liquid
What is oil?
the change of water from one state to the other as it travels from the Earth's surface to the atmosphere and back
What is the water cycle?
the shaking of Earth's crust caused by large rocks underneath the Earth's surface moving against eachother
What is an earthquake?
a huge piece of ice that slowly moves across the surface of the Earth and remains frozen during the entire year
What is a glacier?
natural resources that nature can produce again, such as trees, plants, animals, water, oxygen, and soil
What are renewable resources?
a type of fossil fuel that is a gas
What is a natural gas?
the process of changing form a liquid to a gas, usually caused by energy from the sun
What is evaporation?
occurs when gravity pulls down some of the land on the slope of a hill
What is a landslide?
the process by which materials that have been eroded are dropped in a new place
What is deposition?
the practice of decreasing the use of natural resources in order to save them
What is conservation?
materials in the environment that are useful to people
What are natural resources?
the process of water vapor leaving a plant and entering the atmosphere
What is transpiration?
the breaking down of rock on the Earth's surface,usually by the force of water,wind, or ice
What is weathering
a large,flat area of land at the mouth of a river formed by the deposition of sediments
What is a delta?
natural resources, such as fossil fuels, that will eventually be used up and can never be replaced
What are non-renewable resources?
the practice of decreasing the use of natural resources in order to save them
What is conservation?
the process of changing from a gas to a liquid, such as water vapor changing into water
What is condensation?
the movement of weathered particles by water,wind or ice
What is erosion?
a hill of sand formed by the deposition of sand by the wind
What is a sand dune?
a type of fossil fuels that is a solid
What is coal?
natural resources that nature can produce again, such as trees, plants, animals, water, oxygen, and soil
What are renewable resources?
water falling to the surface of the Earth in the form of rain, hail, sleet, or snow
What is precipitation?