Slow Earth Changes

The process that causes rocks on Earth's surface to crumble, crack and break it is:

• erosion

• weathering

• glacier

• earth

Weathering usually happens

• quickly

• slowly

Tags

NGSS.4-ESS2-1

Rushing water causes the weathering on rocks on beaches and

• ice

• lakes

• river buttoms

• ponds

Rocks can be worn down by ___________ carrying sand.

• strong rain

• strong wind

Changing temperature can weather rocks too.

• True

• False

Rocks are broken apart by frozen water and _____ the gets into spaces in the rocks.

• plant leaves

• plant branches

• plant roots

Some chemicals can cause the __________ in rocks to change.

• land

• straw

• rocks

• minerals

Weathered rocks and other weathered materials don't stay in one place. They are moved around in a process called______.

• glacier

• erosion

• weathering

• rain

Select three things that cause weathering.

• Strong winds

• Tornadoes

• Water

• Plant roots

• Animals dug a large hole through the rock.
• Fire burned through the rock and made a hole.
• A plant's roots grew through the rock and broke it.
• Sand blew against the rock to change its shape.