Grade 8: Rock Cycle, Earth's Surface, Weather

Which of the surface events listed below are NOT caused by events that occur in the rock cycle?

• Weathering

• Mountain Building

• Eclipse

• Plate Tectonics

Tags

SC.7.E.6.2

SC.6.E.6.1

The illustration shown demonstrates a stream flowing downhill. At which position would you expect to find a greater amount of deposition?

• Point A

• Point B

• Point C

• Point D

Tags

SC.7.E.6.2

SC.6.E.6.1

The Rock Cycle is a series of changes. For example, sedimentary rock can change into metamorphic rock or igneous rock. Igneous rock can also change into sedimentary rock or metamorphic rock. There are natural factors that occur which cause these changes. Which type of rock would be inserted in position A of the Rock Cycle diagram?

• Igneous Rock

• Metamorphic Rock

• Sedimentary Rock

• Sediments

Tags

SC.7.E.6.2

SC.6.E.6.1

Which of the following is an example of how the formation of dams by humans has negatively impacted the Earth?

• The precipitation rate increases around dams as the temperature increases

• The construction of dams takes millions of dollars from the tax budget

• Plant and animals communities that inhabit the rivers are disrupted by dams

• Dams can provide hydroelectric energy to communities which helps conserve natural resources

Tags

SC.6.E.6.2

SC.7.E.6.6

The Earth's surface is made up of a series of large plates that are in constant motion. The diagram shown illustrates the collision of continental tectonic plates. Which of the following surface changes is most likely taking place?

• Earthquake formation

• Volcano formation

• Mountain formation

• Delta formation

Tags

SC.6.E.6.1

SC.7.E.6.2

Sand, soil, and small rocks are continuously moved from one area and positioned in another. Which of the following can be used to slow down erosion?

• Glaciers

• Grass

• Rain, rivers, and streams

• Wind and water

Tags

SC.6.E.6.1

SC.7.E.6.2

Which of the following is a factor involved in the dynamics of rivers carving canyons in rocks?

• Weathering

• Tectonic movement

• Molten rock formation

• Metamorphic rock formation

Tags

SC.7.E.6.2

SC.6.E.6.1

Which of the following contributes to the desertification of the land?

• Under populated land

• Failure to cultivate land

• Sufficient irrigation

• Overgrazing of farm animals

Tags

SC.6.E.6.2

SC.7.E.6.6

Urbanization refers to the population growth of urban cities. Urbanization is often linked to modernization and industrialization. Which of the following impacts on the environment would result from urbanization?

• Decreased pollution

• Increased environmental degradation

• Increased employment rates

• Decreased weathering

Tags

SC.6.E.6.2

SC.7.E.6.6

Which of the following is NOT an example of human impact on the land?

• Deforestation

• Urbanization

• Desertification

• Technology infusion

Tags

SC.6.E.6.2

SC.7.E.6.6