IB ESS Topic 4

Water from rain or snow that flows over the surface of the land into streams, rivers, and lakes is called...

• accumulation
• runoff
• ground water
• surface water

The process by which plants release water through the pores in their leaves is called...

• accumulation
• dormancy 
• photosynthesis 
• transpiration

Any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail is called...

• surface water
• precipitation 
• ground water
• runoff

All of the water we see in lakes, rivers, and oceans is called...

• runoff
• surface water
• ground water

Soil and rock act as giant sponges because they are full of tiny pores and cracks that hold underground water.  These small pores allow the water to infiltrate and collect underground.   Rain and snowmelt that infiltrates the ground is called

• backflow
• groundwater
• spongate
• infiltrate

3.5% of all the Earth’s water is contained within the oceans as salt water, while the remaining 96.5% is freshwater.

• True
• False

Which country is the biggest consumer of fresh water?

• Cyprus
• U.S.A.
• Italy
• Austria

Which sector requires a higher water consumption?

• Domestic use
• Agriculture
• Industries

The continuous circulation of water through the atmosphere, the land and the ocean is called

• hydrologic cycle

• carbon cycle

• accumulation

• percolation

What type of pollution comes from power plants that cool hot water pipes in a local river

• Point

• Non-Point