Shaping Earth

What is the outermost layer of the Earth?

• Mantle

• Crust

• Core

• Magma

What is the tallest and most visible landform on Earth?

• Plains

• Canyons

• Valleys

• Mountains

What is the triangle-shaped landform formed when a river empties into an ocean called?

• Valley

• Continental Shelf

• Canyon

• River Delta

What is the hottest part of the Earth likely made of?

• Melted Iron

• Solid Rock

• Magma

• Water

What causes an earthquake?

• Heavy rains

• Strong winds

• Volcanic eruption

• Sudden movement along a fault

How do scientists measure seismic waves?

• By observing the color of the waves

• By counting the number of waves

• By analyzing the sound of the waves

• By recording jagged lines on a graph

What is the sudden movement of rock and soil down a slope called?

• Flood

• Tornado

• Hurricane

• Landslide

What causes weathering to change the minerals in rocks?

• Acids

• All of the above

• Oxygen

• Carbon Dioxide

What is the purpose of floods in changing the land?

• To cause destruction

• To deposit new soil

• To wash away trees

• To erode soil

What is the common cause of wildfires?

• Strong winds

• Too much rain

• Carelessness

• Lightning