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Third Grade (Grade 3) Earth Science Questions

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Grade 3 Environmental Science
What type of energy resource is coal?
Earth Day - Factory
  1. renewable
  2. non-renewable
Grade 3 Environmental Science
What type of energy resource is wind?
Earth Day - Wind Turbines
  1. renewable
  2. non-renewable
Grade 3 Environmental Science
What is biodegradable?
  1. to save
  2. like a jungle; full of trees, plants, and animals
  3. something that can break apart into tiny pieces and become part of the earth again
Grade 3 Rocks
Why is soil so important?
  1. Provides food and support for plants
  2. Eaten by animals
  3. Eaten by people
  4. Keeps the earth clean
Grade 3 Oceanography and Hydrology
Which is not an ocean?
  1. Indian
  2. Pacific
  3. Superior
  4. Atlantic
Grade 3 Environmental Science
Grade 3 Oceanography and Hydrology
Grade 3 Rocks
Humus is made up of:
  1. sand and silt
  2. rocks
  3. water
  4. dead plants and animals
Grade 3 Rocks
Why is humus an important part of soil?
  1. It contains nutrients which feed the plants
  2. It contains rocks which strengthen the soil
  3. It contains chemicals which fight disease
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