NC Check-In Quizizz Earth Science

What percentage of all water on Earth is fresh?

• 75%

• 3%

• 97%

• 66%

Water that flows in pores of the Earth and below the surface is called _______________?

• river basins

• estruaries

• streams

• groundwater

About ______________ of Earth is covered in water.

• 3%

• 50%

• 70%

• 90%

The drainage area of a river is called a ___________?

• Estruary

• River Basin

• Ocean

• Beach

Which supports the theory that some mountains were once at the bottom of an ocean?

• There are underwater mountains on the ocean floor today.

• Freshwater rivers flow to the ocean.

• Fossils of marine organisms are found on the tops of some mountains.

• Both mountains and ocean floors have similar minerals in their rocks.

Which best describes the water in an estuary?

• brackish 
• frozen 
• fresh 
• salt 

Which would indicate the water in a lake is not safe for drinking?

• Many varieties of fish in the lake

• High Dissolved Oxygen levels in the lake

• Cold water temperature of the lake

• High turbidity levels in the lake

What is the primary reason for the formation of ocean currents?

• Wind patterns

• Earth's magnetic field

• Seismic activity

• Differences in water density

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive

The diagram shows fossils and rock features...

Which is younger than the clam fossil?

• Layer Z

• Broadleaf

• Reptile bone

• Intrusion X