Water and Landforms
All of Earth's solid and liquid water, including oceans, lakes, rivers, glaciers, and underground water.
What is Hydrosphere?
A sudden shaking of Earth’s crust caused by the movement of tectonic plates.
What is Earthquake?
Something valuable from Earth that we can use, like minerals, water, and fossil fuels.
What is Resource?
The preservation or protection of natural resources.
What is Conservation?
The space, conditions, and all of the living and non-living things around an organism.
What is Ecosystem?
A physical feature on Earth’s surface, like mountains, valleys, and plateaus.
What is Landform?
An opening in Earth’s crust through which lava, ash, and gases may flow or erupt.
What is Volcano?
Solid, non-living material of Earth’s crust with a distinct composition.
What is Mineral?
The addition of harmful substances to the environment.
What is Pollution?
Particles of soil or rock that may be eroded and deposited.
What is Sediment?
A large sheet of ice and snow that moves slowly over land, shaping the landscape as it goes.
What is Glacier?
The process of carrying away soil or pieces of rock.
What is Erosion?
A fuel formed from the decay of ancient forms of life.
What is Fossil Fuel?
The process of making new objects or materials from old objects or materials.
What is Recycling?
Decayed plant or animal material in soil.
What is Humus?
Land near a river that is likely to be underwater during a flood.
What is Floodplain?
The process of breaking down rocks into smaller pieces.
What is Weathering?
A resource that cannot be replaced within a short time or at all.
What is Nonrenewable Resource?
Using resources in a way that they will continue to be available in the future.
What is Sustainability?
The dark, top layer of soil rich in humus and minerals where most plants grow.
What is Topsoil?
An artificial (man-made) lake where water is stored for human use.
What is Reservoir?
The process of dropping bits of eroded rock in a new location.
What is Deposition?
A resource that can be replanted or replaced in a short period of time.
What is Renewable Resource?
Methods like crop rotation, strip farming, contour plowing, wind breaks, and terracing.
What is Soil Conservation?
A form of oxygen that forms a layer in the atmosphere, protecting life by screening out much of the dangerous radiation from the sun.
What is Ozone?