Changes to the Earth's Surface

Which of these land forms is always found on the coast? 

• mountain
• valley
• peninsula

Which of these is true of Earth surface?

• Earth's surface is constantly changing.
• All landforms on Earth's surface extend into the water.
• Change to Earth's surface always takes a long time.

Which describes what Earth undergoes all the time?

• cystallization
• weathering
• photosynthesis

Which describes what Earth undergoes all the time?

• cystallization
• weathering
• photosynthesis

Which can cause physical weathering?

• the surface of the Earth

• water

• mountains

How does acid rain form?

• Rain mixes with oxygen to form an acid.
• Rain mixes with carbon dioxide to form an acid.
• Rain mixes with chemicals from water supplies.

Which is an example of erosion?

• when wind deposits weathered pieces of rock
• when landforms cause physical weathering
• when rainwater moves soil down a mountain

How does deposition change Earth surface?

• by building up areas of Earth's surface
• by destroying parts of the Earth's surface
• by making an area unfit for growing plants

Look carefully at the illustration. Why would people do this to their seashore?

• to stop erosion
• to stop deposition
• to stop a landslide

How can a glacier erode landforms?

• The pressure of the glacier melts the rock underneath.
• The glacier, which is a mixture of rocks, soil, and ice, slides across the Earth surface and wears it away.
• The glacier melts, and floating ice pushes rocks away.