Earths features
Sediment and Erosion
Landforms
Observation tools/BONUS
100

A volcano can change Earth’s surface by:
a) Building up new land from lava
b) Blowing away old land
c) Melting glaciers
d) Drying up rivers

a) Building up new land from lava

100

Erosion happens when:

Wind, water, or ice move pieces of rock or soil

100

What is a landform? 

a) A living plant or animal
b) A shape or feature on Earth’s surface
c) A type of cloud
d) A kind of mineral

b) A shape or feature on Earth’s surface

100

What tool helps scientists see large areas of Earth’s surface?
a) Microscope
b) Thermometer
c) Satellite images
d) Magnet

c) Satellite images

200

Which of the following is caused by moving water?
a) Sand dunes
b) Valleys
c) Volcanoes
d) Earthquakes

b) Valleys

200

If a fossil of a seashell is found high in the mountains, what does that tell us?

The area was once under water

200

Which of the following is a landform?
a) Lake
b) Mountain
c) River
d) All of the above

b) Mountain

200

What can scientists use models for?
a) To guess what will happen without evidence
b) To understand and test ideas about Earth’s features
c) To decorate classrooms
d) To stop erosion

b) To understand and test ideas about Earth’s features

300

What happens to the earth during an earthquake?

 

Earth’s surface shakes as plates move

300

Over many years, a river can cause a canyon by:
 

b) Breaking down rock and carrying it away

300

A valley is often formed by:

River erosion

300

BONUS: Which of the following is an example of weathering?
a) Rocks cracking from freezing water
b) A river carrying sand downstream
c) A volcano forming an island
d) Mud sliding down a hill 

a) Rocks cracking from freezing water

400

A plate boundary is where:
a) Two continents meet and stay still
b) Two of Earth’s plates meet and move
c) Rivers meet the ocean
d) Ice meets rock

b) Two of Earth’s plates meet and move

400

Deposition usually happens when:
a) Water or wind speeds up
b) Water or wind slows down
c) Rock melts
d) Ice freezes

a) Water or wind speeds up

400

What causes sand dunes to form?

Blowing wind

400

BONUS: Which process breaks rocks apart into smaller pieces without moving them?
a) Erosion
b) Weathering
c) Deposition
d) Folding

b) Weathering

500

How is a fossil formed?

Over millions of years, layers of sediment harden into rock around a dead organism. The imprint an/or bones of the organism are preserved.

500

Which of these best describes how Earth’s surface is always changing?
a) Only people cause changes
b) Natural forces like wind, water, and volcanoes shape land over time
c) Land stays the same after forming
d) Only earthquakes change land

b) Natural forces like wind, water, and volcanoes shape land over time

500

Mountains are usually formed when:
 

 c) Earth’s plates push together

500

BONUS: A delta forms where:
a) A river starts in the mountains
b) A river slows down and enters the ocean
c) A volcano erupts
d) A glacier melts

b) A river slows down and enters the ocean