6th Grade Final

What are the 3 main components of soil?

• sand, silt, clay

• rocks, gravel, dirt

• plants, animals, insects

• water, oxygen, carbon dioxide

When is it okay to eat in the lab?

• ALWAYS

• NEVER

Horseplay, jokes, and pranks are appropriate in the science classroom at anytime.

• True

• False

The process where earths crust is broken down into smaller pieces is called________

• Erosion

• Earth

• Weathering

• Oceans

When rocks have been broken down and are later moved by wind, water or ice is called__________

• Erosion

• Weathering

• Hammering

• Digging

The Mohs scale measures the _______ of a mineral.

• Hardness

• Weight

• Height

• Color

Which of the following is not a rock type?

• Indigenous

• Sedimentary

• Metamorphic

• Igneous

What material is used to form igneous rocks?

• magma

• sediment

• gravel

• sand

What process is used to form metamorphic rocks?

• Lava cools and hardens to form a rock.

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

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

What type of rock can turn into a metamorphic rock?

• Igneous

• Metamorphic

• Sedimentary

• Any type of rock