Unit 3 Review 8th grade Science

Front

What is the rock cycle?

Back

The rock cycle is a continuous process that describes the transformation of rocks through various geological processes, including weathering, erosion, sedimentation, and metamorphism.

Tags

NGSS.MS-ESS2-1

Front

What process leads to the formation of sedimentary rock from sediment?

Back

Compaction and cementation are the processes that lead to the formation of sedimentary rock from sediment.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces through natural forces such as wind, water, and temperature changes.

Tags

NGSS.MS-ESS2-2

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from one location and transported to another, often by wind, water, or ice.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Front

How do mountains change over time?

Back

Mountains can change over time through processes like weathering and erosion, which can smooth out jagged peaks.

Tags

NGSS.MS-ESS2-2

Front

What are nonrenewable resources?

Back

Nonrenewable resources are natural resources that are used faster than they can be replenished, such as fossil fuels and minerals.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished naturally over time (e.g., solar energy), while nonrenewable resources cannot be replaced once used (e.g., coal).

Front

What role does heat and pressure play in the rock cycle?

Back

Heat and pressure can transform existing rocks into metamorphic rocks through a process called metamorphism.

Front

What is sediment?

Back

Sediment refers to small particles of rock, minerals, and organic material that are transported and deposited by wind, water, or ice.

Front

What is compaction in the context of sedimentary rock formation?

Back

Compaction is the process where sediments are pressed together under the weight of overlying materials, reducing their volume.

Tags

NGSS.MS-ESS2-1