water-grade 7

What percent of water on earth is FRESH WATER?

• 97.5%
• 2.5%

A lack of water in an area is called ____.

• water scarcity
• water footprint

Water on the top the earth can form lakes or rivers, these are termed ____.

• fresh water
• infiltration
• surface water
• groundwater

Desalination is

• removing salt from water
• removing oil from water
• removing toxic chemicals from water
• adding salt to water

True or False: Non-renewable resources are only available in limited amounts. Overuse will see them run out.

• True

• False

Oil is an example of which type of resource

• renewable

• non-renewable

• continual resource.

The Process by which water continually changes its form and circulates between oceans, atmosphere and land called............

• Tide

• Water Cycle

• Ocean Current

Generally the warm ocean current originate near..............

• Equator

• Poles

• None of these

Large scale movements of water in the ocean in a definite direction are called..........

• Tide

• Tsunami

• Ocean Current

Major Source of fresh water

• River

• Glaciers

• Sea

• Ocean

• Springs