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Science U2
Soil
| Question | Answer |
|---|---|
| What is how big or small the "pieces" of soil or grain size is. | Particle size |
| What is how the soil feels when you touch it? | Texture |
| What tells what the soil is made of? | Color |
| What is how well plants can live in the soil? | Support plant growth |
| What is how much water the soil holds? | Retain water/Water retention |
| What soil is greyish, large pebbles with rocks that feel rocky? | Gravel |
| What soil is tan or light brown with small pebbles and is gritty? | Sand |
| What soil is reddish tiny grains that is sticky when wet? | Clay |
| What soil is black or dark brown and is a mixture of big and small; it can be gritty, sticky and smooth? | Loam |
| What causes soil to move? | Water and wind |
| What are the three properties of soil? | Color, texture, and how much water it can hold |
| What is weathering? | When different types of weather like tornadoes, rain, floods) break down large rocks into smaller pieces |
| What is erosion? | When rainwater and wind wash away nutrients in soil and move small pieces into a new location |
| What is humus made of? | Remains of dead plants, animals, and other living things |
| Which type of soil is a mixture of sand, silt, and clay particles? | Loam |
| Which type of soil is best for growing plants? | Loam |
| Why is soil so important to plants? | Soil provides minerals, water, and nutrients to plants |
| What do humans do to destroy the soil? | Deforestation, forest fires, toxic chemicals in water |
| Which type of soil has the smallest rock particles? | Clay Soil |
| Where is sandy soil mainly found? | Beaches and deserts |
| Is sand good for growing plants? | No, because it does not hold water |
| What are the three main types of soil? | Sand, clay, and loam |
| Which type of soil has the largest rock particles? | Gravel |
| Which type of soil has the second largest rock particles? | Sandy Soil |
| Which of the three main types of soil has the largest rock particles? | Sandy Soil |
| Why does sandy soil appear dry? | It has big particles that make large spaces that don't hold water |
| True or False: Clay soil is good for plant roots because it allows air to pass through easily. | False: Clay has small particles that are packed close together making it hard for air to pass through |
| Which of these is NOT a natural part of soil? Air, Sand, Glass, Clay | Glass |
| What can soil be made of: Clay, humus, silt, all of these | All of these |
Created by:
SherBrad