How Glaciers Change the World

What are glaciers?

• Frozen rivers that never melt

• Deep valleys filled with water

• Mountains covered with snow

• Large masses of ice found in oceans or on land

What did glaciers leave behind as they melted?

• Deserts

• Forests

• Unique land formations

• Volcanoes

Tags

NGSS.MS-ESS2-2

During which period were valleys commonly formed?

• The Renaissance

• The Ice Age

• The Industrial Revolution

• The Bronze Age

How do glaciers shape the landscape?

• By building mountains

• Through farming

• By planting trees

• Through erosion

Tags

NGSS.MS-ESS2-2

What are moraines?

• Rocky landscapes created by glacial debris

• High mountains

• Large lakes

• Deep caves

What shape do valleys created by glaciers have?

• O-shape

• L-shape

• X-shape

• U-shape

Tags

NGSS.MS-ESS2-2

What happened to most valleys after the Ice Age ended?

• They became wider

• They disappeared

• They were filled with lava

• They turned into mountains

Tags

NGSS.MS-ESS2-2

Where are most glaciers found today?

• The Amazon Rainforest

• The Sahara Desert

• Antarctica and Greenland

• The Great Plains of the USA

What is one reason scientists believe glaciers are melting?

• Because of asteroid impacts

• Due to increased volcanic activity

• Because of climate change caused by humans

• Due to natural cycles

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

NGSS.HS-ESS3-6

What did glaciers create that are very common in North America and northern Europe?

• Deserts

• Rainforests

• Valleys

• Islands

Tags

NGSS.MS-ESS2-2