Quiz about Our Dynamic Earth

Question 1

Some Earth events occur quickly. These changes can be easily observed. Which Earth event does not happen quickly?

Accepted Answer

weathering of rocks

Answer

a landslide

Answer

an earthquake

Question 2

What does the liquid from a volcano become when it cools?

Accepted Answer

rock

Answer

water

Answer

fire

Question 3

When is a landslide likely to occur?

Accepted Answer

after a lot of rain

Answer

after a month of dry weather

Answer

just before an earthquake

Question 4

Which landform is not created by wind?

Accepted Answer

Mountains

Answer

rock pedestals

Answer

sand dunes

Question 5

A deep, narrow valley with steep sides is ______.

Accepted Answer

canyon

Answer

mountain

Answer

plain

Answer

river

Question 6

Which is the tallest landform?

Accepted Answer

Mountain

Answer

Hill

Answer

River

Answer

Ocean

Question 7

Which evidence could indicate that a flood has happened in an area?

Accepted Answer

Soil and rocks are on the roads and sidewalks.

Answer

A new mountain has formed.

Answer

The sky is cloudy.

Answer

A tree is charred black.

Question 8

Fossils are usually created from the [blank] of an organism. Choose one option for each blank section.

Accepted Answer

bones

Answer

hair

Answer

muscles

Question 9

How will waves change the rocks shown in this picture?

Accepted Answer

The waves will pound, smooth, and break apart rocks.

Answer

The waves will press small rocks together, and they will form larger rocks.

Answer

The waves will wet the rocks, but not change their shapes.

Answer

The waves will change rocks into ocean water.

Question 10

One way to prevent sand dunes from ________ is to build fences along the shore.

Accepted Answer

eroding

Answer

forming

Question 11

What can scientists learn from fossils? Select all that apply.

Accepted Answer

the type of animals that lived long ago

Accepted Answer

what the climate was like long ago

Accepted Answer

what the environment was like long ago

Answer

The colors of animals that lived long ago

Question 12

Which cannot be used to understand Earth's features?

Accepted Answer

Moon Phases

Answer

Maps

Answer

Patterns

Answer

Observations

Question 13

Which is not a feature found on the ocean floor?

Accepted Answer

estuary

Answer

rift valley

Answer

trench

Answer

continental shelf

Question 14

Fill in the blanks using the available answer choices. Chemical weathering ______ the minerals in rocks.

Accepted Answer

does not change

Answer

does change

Question 15

Below is a picture of a canyon. Which best explains how the canyon may have formed?

Accepted Answer

Erosion from flowing water formed the canyon.

Answer

A volcanic eruption formed the canyon.

Answer

The canyon was formed by animals and plants.

Answer

Humans carved the canyon out of a mountain using small tools.

Question 16

Fill in the blanks using the available answer choices. If a fern fossil is found in a rock layer lower than a fossil of a small fish, the fern is probably ________.

Accepted Answer

older

Answer

younger

Question 17

The ring of fire surrounds the _______ ocean.

Accepted Answer

Pacific

Answer

Arctic

Answer

Atlantic

Question 18

What two possible techniques could scientists have used to create this map of the ocean ridges?

Accepted Answer

observing from underwater vehicles

Accepted Answer

monitoring sound waves

Answer

detecting new landforms

Answer

comparing mountain ranges

Answer

surveying land levels

Question 19

Which shows the elevation of an area using contour lines?

Accepted Answer

topographical maps

Answer

mountains

Answer

faults

Answer

cartographer

Question 20

Select all of the ways maps of land and maps of the ocean floor could be similar.

Accepted Answer

Both maps could show valleys.

Accepted Answer

Both maps could show mountain ranges.

Accepted Answer

Both maps could show directions.

Answer

Both maps could show plant life.

Answer

Both maps could show earthquakes.

Question 21

Which feature of the ocean floor is the continental shelf?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 22

Which features of the ocean floor is the continental slope? Hint: You need to choose 2 letters.

Accepted Answer

B

Accepted Answer

D

Answer

A

Answer

C

Question 23

Which feature of the ocean floor is the seamount?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 24

Bethany saw an exhibit at the science center on Earth's surface. She learned that Earth's surface has changed over time. What evidence has been collected by scientists to support this theory?

Accepted Answer

Fossils have been found that give clues to what Earth's surface looked like many years ago.

Answer

Ancient people left photographs of Earth's surface behind for scientists.

Answer

Paleontologists have studied Earth's surface in the past and present and see no changes.

Answer

We do not know what Earth's surface looked like long ago.

Question 25

Scientists can learn about ancient environments by studying _______ in layers of sedimentary rock.

Accepted Answer

water

Answer

organisms

Answer

wind

Answer

rocks

Question 26

A paleontologist found a crocodile fossil in the desert. Based on this discovery, what conclusions can you draw about what this landscape was like in the past?

Accepted Answer

The climate was very warm and had periods of rain.

Answer

The climate was very cold and dry.

Answer

The climate had periods of cold winters and warm summers.

Answer

The climate was very warm and dry.

Question 27

Fossil evidence provides scientists with information about _______.

Accepted Answer

how an environment has changed over time.

Answer

rocks and minerals.

Answer

where earthquakes occur.

Answer

how mountains form.

Question 28

Scientists are able to tell which fossils are the oldest by looking at the bedrock. Which layer contains the youngest fossils?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 29

If a fern fossil is found in a rock layer lower than a fossil of a small fish, the fern is probably _______.

Accepted Answer

older

Answer

younger

Question 30

An example of _______ is wind blowing sand from one place to another.

Accepted Answer

erosion

Answer

deposition

Question 31

In the Mississippi River, sediment such as soil and rocks are swept downstream by the force of the river. When the river flows into the Gulf of Mexico, most of the sediment is deposited. Which activity could change the amount of sediment that is deposited from the river?

Accepted Answer

An increase in rain will cause more erosion, which will cause more sediment to be deposited.

Answer

A decrease in rain will cause less erosion, which will cause more sediment to be deposited.

Answer

An increase in rain will cause less erosion, which will cause more sediment to be deposited.

Answer

An increase in rain will cause more erosion, but will not cause a change in sediment deposited.

Question 32

Which evidence could indicate that a flood has happened in an area?

Accepted Answer

Soil and rocks are on the road and sidewalks.

Answer

A new mountain has formed.

Answer

The sky is cloudy.

Answer

A palm tree is charred black.

Question 33

Waves can break _____ by rushing into cracks in the rock with a lot of energy. Choose one option for each blank section.

Accepted Answer

large boulders

Answer

small rocks

Answer

sand

Answer

mud

Question 34

Gravity pulls rainwater downhill and the flowing water erodes the landscape by _____.

Accepted Answer

washing away soil

Answer

forming sand dunes

Answer

forming a desert

Answer

forming moraines

Question 35

Which happens during physical weathering?

Accepted Answer

The size and the shape of rocks are changed

Answer

It snows

Answer

Rocks are chemically changed into limestone

Answer

Rust is created from the combination of water and air.

Question 36

Can ocean waves change the rocks along a coastline?

Accepted Answer

Yes. Pounding waves break rocks into smaller pieces.

Answer

Yes. Pounding waves glue smaller rocks together.

Answer

No. Waves are too weak to change rocks.

Answer

Maybe. Scientists are not sure.

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