| Question | Answer |
|---|---|
| What is the top layer of soil which is dark and rich in minerals called? | topsoil |
| What is the soil below the topsoil called? | subsoil |
| What is the soil considered if plants grow well? | fertile |
| What returns to the soil the minerals that plants took out? | fertilizer |
| What is the loss of soil by water and wind called? | soil erosion |
| Is the earthworm, shrew and skunk helpful to the farmer? | yes |
| Is the mole and field mouse helpful to the farmer? | no |
| What is the condition of the air called? | weather |
| What is the layer of air that surrounds the earth called? | atmosphere |
| What are the three things which cause weather? | heat, water and wind |
| What covers almost three fourths of the earth's surface? | water |
| What comes mostly from the sun? | heat |
| What is moving air called? | wind |
| What does absorb mean? | to soak up |
| What does radiate mean? | to send out rays of heat |
| What does evaporate mean? | to change into vapor |
| What is it called when water evaporates? | water vapor |
| What are the three forms of water? | solid, liquid and gas |
| What are perfectly round? | raindrops |
| What forms when molecules of water vapor freeze? | snowflakes |
| What is another word for freeze? | crystalize |
| How many sides do snowflakes have? | 6 |
| What are the four forms of precipitation? | rain, sleet, snow and hail |
| What are frozen ball of rain? | hail |
| What is rain that has fallen through freezing rain? | sleet |
| What is humid? | to be full of water vapor |
| What is lightning? | electricity that jumps from cloud to cloud or from cloud to earth |
| What sound does lightning make? | thunder |
| What are the safest place to be in a thunderstorm? | car or building |
| What is another name for a tornado? | twister |
| What are the three most common storms called? | hurricane, tornado and thunderstorm |
| What is a whirling windstorm that begins over the ocean called? | hurricane |
| What is a windstorm that builds up over hot land? | tornado |
| What is a rainstorm that includes lightning? | thunderstorm |
