6th Grade Science Midterm Review

What is another name for the water cycle?

• hydrosphere
• watershed
• hydrologic cycle
• high quality H2O

What agent of change causes a sand dune?

• ice
• wind
• water
• roots

What agent of change causes a U-shaped Valley?

• wind
• water
• ice
• roots

Which land forms are a result of deposition?

• trenches and valley
• bays and peninsulas
• beaches and river deltas
• plateaus and mesas

What is a type of chemical weathering?

• acid rain
• rain
• snow
• ice

The wearing away of rocks and soil is ?

• depostion
• convection
• weathering
• erosion

How do tectonic plates move?

• Convection currents
• wind
• water
• ice

The ______ is the layer of the Earth under the crust.

• the sun
• mantle
• none of the other answers
• core

Which of these is NOT a type of plate boundary?

• convergent
• divergent
• transform
• bivergent

What is a wall across a river that controls the flow of river water?

• dam
• levee
• floodway
• flood