Science: Planet Earth

Which of these is part of the hydrosphere?

• rocks

• rivers

• air

• chickens

• oceans

Which of these is part of the biosphere?

• plants

• rocks

• humans

• chickens

• oceans

What is continental drift?

• The continents never moved.

• The continents are going to join one day and become one big landmass.

• The continents were once a giant piece of land that broke apart into the continents we have today.

What kind of rock is this? (Hint: It is formed in layers.)

• igneous

• metamorphic

• sedimentary

What kind of rock is formed by the cooling of magma or lava?

• igneous

• sedimentary

• metamorphic

• all of them

Select all the RENEWABLE resources:

• coal

• water

• sun

• oil

• trees

What does it mean to be sustainable?

• It means that we should use up all the resources so there are none left.

• It means we use only the natural resources we need, and make sure that there are resources left for the next generation.

• It means that we should use nonrenewable resources only.

Select all that are true about the water cycle:

• Water evaporates from the ocean.

• When water falls from the sky, it is called precipitation.

• Groundwater is the water stored in clouds.

• Water does not evaporate from the leaves of trees.

• When water changes from a gas to a liquid, this is called condensation. (Think of your misty windows in the shower!)

Which fact do we know if we use RELATIVE dating?

• The top layer of rock is the oldest layer.

• The bottom layer of rock, closest to the ground, is the oldest layer.

• The rock is 300 thousand years old.

Absolute dating ___________.

• can only tell us if one rock layer is older or younger than another.

• can tell us exactly how old something is.