| Question | Answer |
| 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 |
