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What is the top layer of the earth's soil? Soil
What are the materials that plants and animals need to grow and live? Nutrients
What are parts? Components
What is formed from minerals found in the earth's crust? Rock
What is made of tiny particles of soil that holds water well? Clay
What is made up of very small broken rock that is larger than clay and smaller than sand? Silt
What is made up of small grains of rock and does NOT hold water well? Sand
What is decayed dead plants and animals that is found in the topsoil? Humus
What is the upper layer of soil? Topsoil
What is the layer of soil under the topsoil? Subsoil
What is the lowest layer of soil? Bedrock
What is the changing of the earth's surface caused by water, wind, sun or living things? Weathering
What causes weathering? (4 things) Water, wind, sun & living things
What is the carrying away of the earth's surface? Erosion
Soil is a ____________ resource. Natural
What are things people use found naturally on the earth? Natural Resources
What are water, air, land, animals, minerals, soil, forests? Natural Resources
What is every living thing depending on each other? Interdependence
What is using something? Consumption
To use carefully Conserve
To keep safe Preserve
What are fire, flood, disease, erosion? Natural events that affect nature
What are some kinds of pollution? water, air, land
To use the materials again to make new products Recycle
To use again without changing Reuse
To use less Reduce
The ability to do work Energy
Resources that CAN be replaced Renewable Resources
Resources that can NOT be replaced Nonrenewable Resources
What are sunlight, water and wind? Natural energy
What is energy made by the sun? Solar energy
What are coal, oil and natural gas? Fossil fuels
What is the most powerful energy? Nuclear power
Created by: masonlaine