Social Science U4: Rocks (part 2)

The Earth's crust is made up of metal.

• True

• False, it's made up of rock.

• False, it's made up of water.

• Sometimes

What are the Earth's inner layers made of?

• Hot minerals.

• Air, water and sunlight

• Minerals and rocks

• Water and rocks

The Earth's crust is made up of metal.

• True

• False

• Metal? What is metal?

• Really?

There are three different types of rocks?

• True

• False

• Three, four or 13?

• Really?

What process forms sedimentary rocks?

• Lava cools and hardens to form a rock.

• Fragments of rocks, dead vegetation and animal matter form layers that turn into rock from pressure.

• Extreme heat and pressure from inside the Earth turn rocks into new rocks.

• Magma trapped under the Earth's surface cools and solidifies.

What process forms metamorphic rocks?

• Lava cools and hardens to form a rock.

• Bits of sand and gravel form layers that turn into rock from pressure.

• Extreme heat and pressure from inside the Earth turn rocks into new rocks.

What type of rock can turn into a metamorphic rock?

• Igneous only

• Sedimentary only

• Metamorphic only

• Any type of rock

What type of scientists study rocks?

• geologists

• biologists

• meteorologists

• biochemicists

What material forms igneous rocks?

• magma

• sand

• gravel

• fossils

What does metamorphic mean?

• Fragments

• Erosion

• Change of form

• Volcanic eruption