Earth and Its Changing Features

Based on the image, where would the oldest rock be found?

• The oldest would be on top.

• The oldest would be on the bottom.

• The oldest would be in the middle.

• The oldest doesn't exist.

Which is not a feature found on the ocean floor?

• rift valley

• trench

• continental

• estuary

Which best explains how the canyon may have formed?

• A volcanic eruption formed the canyon.

• The canyon was formed by animals and plants.

• Erosion from flowing water formed the canyon.

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

Which cannot be used to understand Earth's features?

• Maps

• Patterns

• Moon phases

• Observations

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

• the type of animals that lived long ago

• what the climate was like long ago

• the colors of animals that lived long ago

• what the environment was like long ago

Moving water is one cause of _________.

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

• older

• younger

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

• eroding

• forming

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

• A new mountain has formed.

• The sky is cloudy.

• A palm tree is charred black.

• Soil and rocks are on the road and sidewalks.

What can be determined about a fossil of a turtle found in one rock layer and a fossil of a fish found two layers below it?