4th Grade Review: Earth Science

_{Which rock layer in the diagram is the oldest?}

• F

• E

• B

• A

Tags

NGSS.4-ESS1-1

_{From this diagram of rock layers, we can conclude that...}

• This environment was once marine (under an ocean), but it's now terrestrial (dry land).

• This environment was once terrestrial (dry land), but it's now marine (under an ocean).

• This has always been a marine (under an ocean) environment.

• This has always been a terrestrial (dry land) environment.

Why would a beach have a designated walkway for people to use?

• To protect children

• To make the beach more attractive (beautiful)

• To protect the sand dunes from erosion caused by foot traffic

• To protect other animals from people

Environmental changes, such as weather events like hurricanes, change animal and plant habitats. Which would be the BEST solution to this type of problem after a hurricane?

• Open a new recycling center

• Open a zoo to provide shelter for misplaced animals

• Replant sea oats that were destroyed by the wind on the coast

• Build a barrier to keep fish in the ocean

Which process causes a canyon to form?

• earthquakes breaking apart the rock

• rushing water breaking apart the rock

• high winds breaking apart the rock

• floodwaters from heavy rainfall

Sediment is formed by...

• deposition of snow

• pressure and melting

• soil erosion

• weathered rock

What is one way people could decrease erosion on Earth's surface?

• Allow plants to grow in their natural habitats

• Deforestation (cut down trees)

• Introduce invasive species who will take over other species' habitats

• Build more highways

This picture shows where the Nile River (in Egypt) flows into the Mediterranean Sea. The moving water eroded the soil and deposited it into the sea. What landform is this?

• delta

• plains

• swamp

• wetland

Use evidence from the map. The area of the United States MOST LIKELY to experience a volcanic eruption is the...

• west coast (such as California)

• east coast (such as Florida)

• midwest (such as Missouri)

• The U.S. doesn't have any volcanoes.

Fossils of a dinosaur species were found in two places: South America's east coast and Africa's west coast. How could this happen if the dinosaur was unable to fly or swim?

• The same species lived on both continents.

• Prehistoric people transported the dinosaurs from one continent to the other.

• This is impossible.

• Africa and South America were connected at one time.