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Eighth Grade (Grade 8) Earth Science Questions

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Grade 8 Earth's Layers
Which layer creates the Earth's magnetic field?
  1. lithosphere
  2. mesophere
  3. outer core
  4. inner core
Grade 8 Earth's Layers
Grade 8 Historical Geology
Geological time periods are divided by                                                .
  1. the appearance and disappearance of life forms.
  2. an equal number of years.
  3. the amount of sediment.
  4. solar changes.
Grade 8 Rocks
What processes can occur in the rock cycle?
  1. heat and pressure
  2. cooling and solidification
  3. weathering and erosion
  4. all of the above
Grade 8 Environmental Science
Grade 8 Geomorphology
Grade 8 Tectonics
This map is most useful for identifying                     .
Tectonic Plates No Labels
  1. biomes
  2. continents
  3. tectonic plates
  4. global wind patterns
Grade 8 Soil
Which of the following statements is TRUE about soils?
  1. The deeper into the soil layers, the more rock appears.
  2. The deeper into the soil layers, the more organic matter.
  3. The more shallow the layer, the greater amount of rock appears.
  4. The deeper the soil layer, the more nutrients.
Grade 8 Environmental Science
Which of these could help to reduce air pollution?
  1. recycling
  2. mining
  3. burning fossil fuels
  4. driving a car
Grade 8 Earth's Layers
Grade 8 Rocks
Fossils are found mainly in which type of rocks?
  1. igneous
  2. sedimentary
  3. metamorphic
Grade 8 Earth Science
The four major areas of Earth Science are
  1. the solid earth, the mountains, the birds, and the universe.
  2. the solid earth, the water and oceans, the atmosphere, and the universe.
  3. the water and oceans, the animals, the plants, and the universe.
  4. the animals, the solid earth, earthquakes, and volcanoes.
Grade 8 Atmosphere
What statement can clearly explain the basic reason for Earth's seasons?
  1. As the Sun moves away from Earth, the seasons will change.
  2. As Earth revolves around the Sun, the seasons change.
  3. As Earth revolves around the Sun, Earth's tilt will result in either the Northern or Southern Hemisphere getting more exposure from the direct rays of the Sun.
  4. None of these are true.
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