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Third Grade (Grade 3) Geology Questions

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Grade 3 Rocks
The three types of rocks are called           igneous          ,               metamorphic              , and               sedimentary              .

Rocks are made up of            minerals           .

Metamorphic rocks are formed by lots of         heat          and            pressure           .

I can find rocks            anywhere           .
Grade 3 Rocks
          Igneous          rock forms when magma or lava cools and hardens.
Grade 3 Rocks
              Sedimentary               rock forms from layers of sediment or tiny bits of broken down rock.
Grade 3 Soil
Soil is
  1. any type of dirt and rocks
  2. a mixture of tiny rock particles, minerals, and decayed plant and animal materials.
  3. the same as the ground
Grade 3 Soil
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 Soil
Which is the top layer of soil?
  1. topsoil
  2. subsoil
  3. bedrock
  4. humus
Grade 3 Soil
Soil is formed when                 are broken down by weather, water and living things over long periods of time.
  1. trees
  2. rocks
  3. insects
  4. animals
Grade 3 Soil
What kind of soil holds the most water?
  1. sandy soil
  2. clay
  3. rocks
  4. plants
Grade 3 Soil
          Topsoil           is the upper layer of soil on the surface of the Earth that is dark in color and has the smallest particles.
Grade 3 Soil
            Nutrients             are a part of the soil that helps plants grow and stay healthy.
Grade 3 Soil
What is the name of the loose material that covers most of Earth's surface?
  1. soil
  2. lava
  3. rocks
  4. sheets
Grade 3 Soil
What are minerals, weathered rock, and other things mixed together?
  1. Fossils
  2. Rocks
  3. Soil
Grade 3 Volcanoes
A volcano is
  1. a lowland area between higher areas such as mountains
  2. a place on earth's surface where the land is much higher than the surrounding land
  3. an opening in the earth's surface from which lava flows
  4. a deep valley with every steep sides
Grade 3 Soil
What are the 3 layers of soil?
  1. Subsoil
  2. Bottomsoil
  3. Grainsoil
  4. Topsoil
  5. Bedrock
Grade 3 Soil
A soil's               is determined by what type of materials are in it.
  1. Shape
  2. Color
  3. Size
Grade 3 Volcanoes
What is the red hot liquid that flows on the outside of a volcano?
  1. lava
  2. plasma
  3. magma
Grade 3 Geomorphology
Gravity can pull rocks and soil rapidly down a hill slide causing a(n)
  1. tsunami
  2. earthquake
  3. landslide
  4. volcano
Grade 3 Soil
          Subsoil           is the middle soil layer that has larger particles than topsoil and is lighter in color.
Grade 3 Volcanoes
A mountain with a crater at the top that lava or ash can flow is a
  1. beach
  2. volcano
  3. hill
  4. plateau
Grade 3 Soil
Which of these layers of soil has the most humus?
  1. topsoil
  2. subsoil
  3. bedrock
  4. clay
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