Spheres
Weathering and erosion
Soil
Mystery topic
100

In which sphere does a dolphin swim?


What is the hydrosphere.

100

Which influences both chemical weathering and mechanical weathering?

A.Wind

B.Iron

C.Plants

D.tectonic plates

What is plants?

100

Which forms the organic portion of soil?

A.Microorganisms

B.sand

C.Dead plants

D.clay

What is dead plants?

100

Why does the process of mass wasting occur faster on a steep slope?

A.Mountains have a lot of rainfall.

B.Steep slopes are slippery.

C.The force of gravity causes mass wasting to occur faster

D.Landslides always move quickly.

What is the force of gravity causes mass wasting to occur faster.

200

Why is Earth often referred to as the blue planet?

What is the Earth's surface is covered with 3/4 of water.  

200

Which phrase best defines erosion?

A.cementing bits of rock together

B.physically breaking rocks apart

C.moving bits of rock from place to place

D.chemically breaking rocks apart

What is moving bits of rock from place to place?

200

How does the inorganic portion of soil form?

A.Soils get formed by melting and cooling processes.

B.Heat and pressure change rocks into soils.

C.Rocks get weathered by chemical and physical means to form soils.

D.Sand and silt get deposited by rivers and streams.

What is rocks get weathered by chemical and physical means to form soils?

200

Which formation is the result of wind erosion?

A.Mud slides

B.unusually shaped rocks

C.glacial erratics

D.U-shaped valleys

What is unusually shaped rocks?

300

What is the scientific name for the layer of gas that surrounds the Earth?

What is atmosphere? 

300

Which is a cause of chemical weathering?

A.Acids

B.Sunlight

C.Wind

gravity 

What is Acids?

300

Which soil cannot be rolled into balls or clumps?

A.Silt

B.Sand

C.loam

D.clay

What is sand?

300

What agent causes sand dunes to form?

A.Ocean waves

B.weathering of old rocks in the desert

C.the wind carries the sand until it runs into an obstacle

D.gravity

What is the wind carries the sand until it runs into an obstacle.

400

Which materials are included in the hydrosphere that are not in liquid form?

A.rainforests and lakes

B.lakes and rivers

C.ice caps

rocks and minerals

What is ice caps?

400

What process produces the sediments that ultimately lead to soil formation?

A.Topography

B.leaching

C.Weathering

D.rainfall

What is weathering?

400

Which type of soil holds the most water?

A.Silt

B.Clay

C.Sand

D.loam

What is clay?

400

Where is desertification likely to occur?

A.the east coast of America

B.Alaska

C.North Africa

D.Europe

Where is North Africa?

500

What is the name of the zone of life on Earth?

What is Biosphere? 

500

Which one is an accurate description of the process of weathering?

A.moving bits of rock and soil across the earth's surface by water, wind, or glaciers

B.water moving over the earth's surface and into the atmosphere

C.breaking rocks into smaller pieces by wind, water or glaciers. 

D.forming rocks and depositing them in new places.

What is breaking rocks into smaller pieces by wind, water or glaciers.  

500

Which type of soil is the most permeable?

A.Loam

B.Clay

C.silt

D.sand

What is sand?

500

Meanders (bends or curves) in a river are examples of:

A. Weathering at work

B. Erosion at work

C. Deposition at work 

What is erosion at work. 
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