Students know how to identify resources from Earth that are used in everyday life and understand that many resources can be conserved.
Earth is composed of land, air, and water. As a basis for understanding this concept:
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Students know that the amount of fresh water located in rivers, lakes, underground sources, and glaciers is limited and that its availability can be extended by recycling and decreasing the use of water.
Students know the origin of the water used by their local communities.
Students know rock, water, plants, and soil provide many resources, including food, fuel, and building materials, that humans use.
Communicate solutions that will reduce the impact of humans on the land, water, air, and/or other living things in the local environment.