Weathering and Erosion

Front

What layer of soil contains organic material?

Back

Humus is the layer of soil that contains organic material, which is essential for plant growth.

Front

What type of weathering occurs due to extreme temperature changes making rocks brittle?

Back

Thermal Stress is the type of weathering that happens when rocks are exposed to extreme hot and cold temperatures.

Front

Which soil horizon is home to microscopic bacteria?

Back

Horizon O and A are the soil horizons where microscopic bacteria live, contributing to soil health.

Front

What soil horizon contains clay and weathered rock?

Back

Horizon B is the soil horizon where clay and weathered rock are found.

Front

What type of erosion occurs when rain causes particles to move downhill?

Back

Water erosion occurs when rainwater moves soil particles down hills or mountains.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces through physical or chemical means.

Front

What is erosion?

Back

Erosion is the process of moving weathered rock and soil from one location to another, often by water, wind, or ice.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks, while erosion transports the broken materials.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Front

What is humus?

Back

Humus is the dark organic material in soil formed from the decay of plant and animal matter.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Front

What is the role of soil horizons?

Back

Soil horizons are layers of soil that have different characteristics and play specific roles in supporting plant life.