Science Unit 4 Review Part 1

A person who studies the history of the earth through rocks and rock formations is a __________________.

• rockologist

• geologist

• decomposer

• farmer

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The breaking down of rocks on Earth’s surface into smaller pieces is known as ___________________.

• soil

• erosion

• weathering

• decomposition

The gradual wearing away of land surface materials, especially rocks, sediments, and soils, by the action of water, wind, or a glacier, usually involving the transport of the material from one place to another is known as _____________________.

• erosion

• weathering

• humus

• decomposition

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

The top or outer part of Earth is called the Earth's ______________________.

• humus

• surface

• geologist

• decomposer

____________________ is a mixture of water, air, tiny pieces of rock, and humus.

• Geologist

• Humus

• Soil

• Decomposition

_____________________ is the remains of decayed plants or animals in the soil.

• Erosion

• Weathering

• Decomposer

• Humus

A ________________________ is a living thing that gets energy by breaking down dead organisms and animal wastes.

• geologist

• decomposer

• weathering

• surface

Tags

NGSS.MS-LS2-2

The breakdown or decay of organic materials is called _________________________.

• decomposition

• erosion

• soil

• weathering

Tags

NGSS.MS-LS2-3

Soil with the most dead plant and animal material is often _________________, moist, and has plants growing in it.

• pale colored

• dark brown to black

• light gray

• bright red

_________________________ make the soil that is formed naturally on the earth.

• Weathered rock and plant matter

• Eggs and sand

• Hot lava and water

• Ocean animals and salt

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3