G10 Earth Science

Which statement is false about wetlands?

• Wetlands generally have very little biological diversity.

• Wetlands naturally purify water by filtering out pollutants.

• Wetlands include swamps, bogs, and marshes.

• Wetlands may be freshwater or saltwater.

In what process can water change from a liquid to a solid?

• precipitation

• evaporation

• condensation

• runoff

Water transport through a plant stem is an example of what?

• capillary action

• surface tension

• high specific heat

• cohesion

What causes water to eject from a geyser?

• a pressure surface above the ground

• dissolved gasses below Earth’s surface

• heated groundwater trapped in narrow spaces

• a perched water table

The water molecule is a polar molecule. Why is a water molecule polar?

• because the electrons are shared equally

• because oxygen has a stronger attraction for electrons than hydrogen

• because It is very cold

• because hydrogen atoms have a stronger attraction for electrons than oxygen

Where does the energy for the water cycle come from?

• radioactive decay

• Earth's internal heat

• solar energy

• water when it changes state

What is a broad curve in a river called?

• tributary

• delta

• floodplain

• meander

Which of the following describes the process of transpiration?

• Water goes from the soil through the ground to an aquifer.

• Water goes from the soil to the atmosphere by changing from liquid to gas.

• Water goes from the soil to the atmosphere through a plant.

• Water goes from the soil through the ground to a spring.

Which of the following is an example of consumptive water use?

• water sprinklers

• brushing your teeth

• swimming in a lake

• hydroelectric power plants

During very wet times, what will happen to the water table?

• It will stay the same.

• It will rise.

• It will fall.

• It's hard to know; water tables are not affected by surface conditions.