The Earth's age

• 3.5B y.o.

• 4.5B y.o.

• 6.5B y.o.

• 5.5B y.o.

Results in the creation of rock fragments

• erosion

• deposition

• weathering

• abrasion

movement of rocks by wind, water or gravity

• erosion

• deposition

• weathering

• abrasion

the laying down of sediment in places where they are carried to

• erosion

• deposition

• weathering

• abrasion

smoothing of rocks from rubbing against or colliding with each other

• erosion

• deposition

• weathering

• abrasion

Scientists that study rocks are called

scientists that study fossils are called...

• paleontologist

• geologist

• minerologist

• astronomer

The Earth's core is made up of...

• iron and nickel

• silver and nickel

• gold and silver

• iron and steel

Basalt

• igneous

• sedimentary

• metamorphic

• all of the above

Sandstone

• igneous

• sedimentary

• metamorphic

• all of the above