Exploring Earth's Changes

What does Earth look like from space?

• Always changing

• Completely static

• Different every day

• Mostly the same

What are the two types of weathering?

• Wet and dry

• Hot and cold

• Mechanical and chemical

• Erosion and deposition

What causes mechanical weathering?

• Chemicals

• Heat and ice

• Plants and animals

• Water and air

What causes chemical weathering?

• Animals and plants

• Carbon dioxide and acids

• Heat and pressure

• Water and ice

What is the main difference between weathering and erosion?

• Neither involves movement

• They are the same

• Weathering breaks rocks, erosion moves them

• Erosion breaks rocks, weathering moves them

How does erosion differ from weathering?

• They are processes in the atmosphere

• Erosion transports material

• Weathering moves broken pieces

• Erosion breaks rocks down

What natural forces cause erosion?

• Wind, water, and ice

• Heat and cold

• Plants and animals

• The Sun and the Moon

How did Cape Cod's coastline change from 1984 to 2014?

• It connected with another landmass

• It became one large island

• It split into several islands

• No change occurred

What role does water play in shaping Earth's landforms?

• It shapes and sometimes moves them

• It freezes them in place

• It only causes erosion

• It has no effect

What did the geosphere say to the hydrosphere?

• You're too wet

• You're eroding me

• You crack me up

• You move me