Which is most like a glacier changing Earth's surface?

• a bird drinking water from a puddle

• a boy raking leaves into a pile

• a speeding racecar

• a bulldozer pushing and piling anything in its path

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?

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

• A) A new mountain has formed.

• B) The sky is cloudy.

• C) A palm tree is charred black.

• D) Soil and rocks are on the road and sidewalks.

How did mud and sand help in fossil preservation?

Answer explanation

They quickly cover the remains, which protects them from decaying, animals, and weathering.

How will waves change the rocks shown in this picture?

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

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

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

• The waves will change rocks into ocean water.

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

• At the top layer

• In the middle layer

• At the bottom layer

• Scattered throughout all layers

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

Studying fossils helps scientists understand past environments by:

Answer explanation

It can show what the environment used to be, what the climate was like and what lived there.

Which cannot be used to understand Earth's features?

• Maps

• Patterns

• Moon phases

• Observations

Moving water is one cause of _________________.

• erosion

• pollution

• photosynthesis

• evaporation