Mystery 3- Birth of Rocks

What is the tallest mountain in the world?

• Mount St. Helen

• Mount Charleston

• Mount Everest

What makes Mount Everest and the Himalayan mountains so impressive?

• They are solid rock.

• They are made up of a mound of rocks.

• Their core is full of thick lava.

This pyramid made by the Mayans is in what country?

• Central America

• North America

• Africa

• Egypt

The Mayans built their pyramids by layering what material?

• bricks

• stone

• granite

After the Mayans abandoned the pyramids, what happened to the pyramids 100s of years later?

• They became lost in the jungles.

• They became covered in snow.

• They were used for sight seeing.

When the lava cooled it left weak spots or _____?

• cracks

• holes

• seeds

What fell between the cracks in the lava?

• dirt

• leaves

• seeds

As the root of the seed grows it fills the _______?

When the root has no where else to go. What happens to the lava rock?

When the root cracks a rock and breaks it apart, it's called?

• a new rock

• root wedging

• root systems