1) What is weathering? a) the the breaking down of rocks into tiny pieces b) the movement of tiny rocks c) to record how soil is used by people 2) What are the four ingredients of soil? a) living plants, sand , wind, water  b) parent rocks, water, living things c) water, air, rocks, once living things 3) What are two ways that cause the weathering of rocks? a) ice and decayed plants b) parent and baby rocks breaking down c) wind and water 4) What happens when once living things decompose? a) provides nutrients to the soil b) provides nutrients for animals c) provides nutrients for rocks 5) Why are soils different colors and textures? a) It is formed from only brown rocks. b) It depends on the type of parent rock. c) It depends on the size of the particles. 6) Why is soil an important natural resource? a) It is helpful to pill bugs and worms. b) It provides clean water for humans. c) It helps to grow the foods we eat. 7) Why is humus an important part of soil? a) it is rich in nutrients and good for plants. b) It is the decayed parts of once living animals and plants. c) It determines the color and texture of soil. 8) How does a sandy soil feel like to touch? a) sticky b) gritty c) smooth

Soil Quiz (Grade 3 Science)

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