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Ninth Grade (Grade 9) Earth Science Questions

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Grade 9 Geomorphology
The breaking down of rocks on Earth's surface is                      .
  1. weathering
  2. chemical weathering
  3. erosion
  4. mechanical weathering
Grade 9 Environmental Science
The ultimate energy source for Earth is
  1. the Sun.
  2. electricity.
  3. natural gas.
  4. coal.
Grade 9 Geomorphology

This question is a part of a group with common instructions. View group »

Glaciers, weather, and water shape Earth by
  1. tectonics.
  2. erosion.
  3. El Nino.
  4. hibernation.
Grade 9 Earth's Layers
What part of Earth contains rocks?
  1. Biosphere
  2. Hydrosphere
  3. Atmosphere
  4. Lithosphere
Grade 9 Earth's Layers
What is one reason that Earth's core is so hot?
  1. Coal and oil burn in the core.
  2. As heavy elements in the core decay, they produce radioactive heat.
  3. The Sun heats up Earth and causes the inside to melt.
Grade 9 Environmental Science
Which of the following is not a greenhouse gas?
  1. water vapor
  2. carbon dioxide
  3. oxygen
Grade 9 Environmental Science
Grade 9 Environmental Science
All of the following are ways to fight global warming EXCEPT
  1. preserve forests.
  2. conserve energy.
  3. increase use of fossil fuels.
  4. develop sustainable energy sources.
Grade 9 Environmental Science
Some rivers and lakes near large farms are heavily polluted. What is the most likely reason for this?
  1. excessive use of fertilizers on farms
  2. decaying animal carcasses
  3. trash dumping into rivers
Grade 9 Environmental Science
Grade 9 Geomorphology
Grade 9 Atmosphere
Which of the following is the outermost layer of the atmosphere?
  1. exosphere
  2. mesosphere
  3. stratosphere
  4. troposphere
Grade 9 Rocks
Rocks formed from the cooling lava of volcanic eruptions are                  .
  1. igneous rocks
  2. limestone rocks
  3. sedimentary rocks
  4. metamorphic rocks
Grade 9 Environmental Science
Most water pollution is caused by                   .
  1. volcanic eruptions
  2. sediments
  3. human activities
  4. droughts
Grade 9 Environmental Science
Solar Energy is an example of what?
  1. Non-renewable Energy
  2. Geothermal Energy
  3. Biotic Factor
  4. Renewable Energy
Grade 9 Atmosphere
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