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Sixth Grade (Grade 6) Earth Science Questions

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Grade 6 Oceanography and Hydrology
The water cycle is also called the                  .
  1. rock cycle.
  2. hydrologic cycle.
  3. carbon cycle.
  4. nitrogen cycle.
Grade 6 Atmosphere
Where does the energy that powers the water cycle come from?
  1. plants
  2. animals
  3. electrical outlets
  4. the Sun
Grade 6 Earth's Layers
The innermost part of Earth, made of metals, is the                .
  1. mantle
  2. inner core
  3. outer core
  4. crust
Grade 6 Oceanography and Hydrology
What natural hazard is derived from the Japanese word, which means "harbor wave?"
  1. Hurricane
  2. Typhoon
  3. Tsunami
  4. Volcano
Grade 6 Oceanography and Hydrology
What is the source of energy for the water cycle?
  1. gravity
  2. transpiration
  3. the oceans
  4. the Sun
Grade 6 Earth's Layers
The mantle is Earth's thickest layer and is mostly made up of
  1. nickel and iron.
  2. semi-solid rock.
  3. water.
Grade 6 Earth's Layers
The uppermost layer of Earth is called the
  1. mantle.
  2. crust.
  3. core.
  4. continents.
Grade 6 Oceanography and Hydrology
What force is mostly responsible for tides?
  1. the gravity of the Sun
  2. the gravity of Earth
  3. the gravity of the Moon
  4. wind
Grade 6 Rocks
In what type of rock can you sometimes find fossils?
  1. igneous
  2. sedimentary
  3. metamorphic
  4. lava
Grade 6 Environmental Science
Which is an example of a renewable form of energy?
  1. Wind energy.
  2. Solar energy.
  3. Water energy.
  4. All of the above.
Grade 6 Tectonics
The theory of plate movement and how the continents moved apart over time is called
  1. continental rift.
  2. plate dynamics.
  3. continental boundaries.
  4. plate tectonics.
Grade 6 Atmosphere
The atmosphere is the air around us.
  1. True
  2. False
Grade 6 Earth's Layers
In a convection current, why does the magma become more dense when it reaches the crust?
  1. it heats up
  2. it becomes light
  3. it cools down
  4. it remains the same
Grade 6 Rocks
What geological processes change pieces of rocks, minerals, and other materials into sedimentary rock?
  1. Cooling
  2. Heat and pressure
  3. Compacting and cementing
  4. Melting
Grade 6 Earth's Layers
The diagram shows the layers of Earth.

Layers Of The Earth

Which of the following best describes layer B?
  1. solid rock
  2. solid metal
  3. liquid and solid rock
  4. liquid and solid metal
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