Earth's Processes
Layers of the Earth
Weathering and Landforms
Landforms Creations
Mystery Science
100

Over time mountains become less jagged, more rounded, and not quite as tall.

wearing away or building up?

weathering and erosion or deposition?

wearing away

weathering and erosion

100

Which layer of the Earth is the thickest?

Inner core 

Outer Core

Mantle 

Crust

Mantle

100

Where do most earthquakes happen?

A. in the center of large continents

B. near the steepest slopes of mountains

C. on the islands farthest from the continents

D. at the boundaries between continents and oceans

At the boundaries between continents 

100

Where are mountain ranges formed?

A. where continent plates separate

B. where continent plates collide

C. where continent plates rub side to side

D. where continent plates meet

where continent plates collide

100

What causes day to change to night in a town at two different times?

A. the sun rotates away from the town

B. Earth rotates the town away from the Sun

C. The Sun revolves to face away from the town

D. Earth revolves, and the town faces away from the Sun

Earth rotates the town away from the Sun

200

A volcano erupts underwater and the lava cools and hardens into rock over and over again.

wearing away or building up?

Weathering and erosion or deposition?

building up

deposition

200

Which layer of the earth is the thinnest?

Inner core

Outer core

Mantle

Crust

crust

200

Which is the best example of erosion creating a landform?

A. a mountain because it has existed for many years

B. a canyon because it is made by water moving soil

C. a volcano because the lava builds up new land

D. a glacier because it is made of frozen water

a canyon because it is made by water moving soil

200

Where are volcanos mostly formed?

A. where two plates collide

B. where two plates rub side to side

C. where one plates slides under another plate

D. where two plates meet

where one plate slides under another plate

200

What can a student learn if they pour a cup of water onto the top of a sand pile?

A. Moving water creates erosion

B. Sand mountains cannot be eroded

C. Strong wind causes erosion

D. Earth materials cannot be eroded

Moving water creates erosion

300

A canyon becomes deeper over time as the river at the bottom flows quickly.

wearing away or building up?

weathering and erosion or deposition?

wearing away

weathering and erosion


300

Which layer of the Earth is the hottest?

Inner core

Outer core

Mantle

Crust

Inner core

300

Which term describes the natural process that most likely caused cracks in a rock?

A. wedging

B. gravity

C. deposition

D. abrasion

wedging

300

Where do you usually find a pattern of earthquakes?

A. where plates collide

B. where one plate slides under another plate

C. where plates rub, sliding back and forth

where plates rub, sliding back and forth

300

If you look at the shadow of a tree through out the day, which statement would be correct?

A. The shadow is the longest at noon

B. The Sun is the highest in the sky during the early morning

C. The length of the shadow remains the same from noon to evening

D. Shadows change as Earth rotates on its axis

Shadows change as Earth rotates on its axis

400

Rocks break apart as a tree roots widen existing cracks.

wearing away or building up?

weathering and erosion or deposition?

wearing away

weathering and erosion

400

Which layer of the Earth is the coldest?

Inner core 

Outer core

Mantle

Crust

Crust

400

Which term is used to describe the wearing away of sandstone when wind blows air with pieces of sand against sandstone fins?

A. deposition

B. erosion

C. shifting

D. weathering

weathering

400

Where are deep ocean trenches formed?

A. where two plates meet

B. where two plates collide

C. where one plate slides under another plate

where one plate slides under another plate

400

Which portion of Earth experiences night?

A. the portion of Earth facing the Sun

B. the portion of Earth facing away from the sun

C. the portion of Earth that is blocked by the moon

D. the portion of Earth that is between the Sun and Moon

the portion of Earth facing away from the Sun

500

A river slows as the land becomes flat, forming a delta.

wearing down or building up?

weathering and erosion or deposition?

building up

deposition

500

Which layer of the Earth is liquid?

Inner Core

Outer Core

Mantle

Crust

Outer Core

500

Which two statements are true about mechanical weathering?

A. an erupting volcano is am example because it forms rock.

B. Abrasion is an example because it breaks rock into smaller pieces

C. Growing crops is an example because it removes nutrients from the soil

D. Gravity is an example because it transports sediments

E. Tree root wedging is an example because it pushes between pieces of rock

-Abrasion is an example because it breaks rocks into smaller pieces

-tree root wedging is an example because it ushes between pieces of rock

500

What is the name of the hot spots of volcanos that line the continents of the Pacific Ocean?

A. Circle of Doom

B. Ring of Doom 

C. Ring of Fire

D. Circle of Fire

Ring of Fire

500

Which layers of the Earth are labels as solids and are harder and denser that the other layers?

A. crust and inner core

B. inner core and mantle

C. magma and mantle

D. outer core and crust

Crust and Inner Core