Birth of Rocks Will a Mountain Last forever? Mystery #3

The process where seeds fall in cracks and can split rocks with its roots is called

• root breaking

• root splitting

• root wedging

Tags

NGSS.MS-ESS2-2

Why would the Mayans have swept/cleaned the brick cracks in their pyramids?

• to prevent dirt from drying in the cracks

• to prevent seeds from growing in the cracks

• to prevent small animals from making homes there

The process where frozen water splits rock is called

• ice splitting

• ice breaking

• ice wedging

Tags

NGSS.MS-ESS2-2

How does water break a rock?

• water take up more room than ice

• Ice takes up more space so when water freezes, it splits the rock

• Ice makes rock very cold and brittle

Tags

NGSS.MS-ESS2-2

Which is more powerful?

• Ice wedging

• Root wedging

• They are equally powerful

Tags

NGSS.MS-ESS2-2

Why might the top of mountains break apart?

• Its more windy so the rocks will break more quickly

• There are more seeds at the top so root wedging is more common

• It's colder at the top of the mountain so ice wedging is more common

Tags

NGSS.MS-ESS2-2

Do mountains last forever?

• Yes

• No

Tags

NGSS.MS-ESS2-2

Rocks at the top of the mountain are

• smoother

• more jagged

• smaller

Tags

NGSS.MS-ESS2-2