Earth's Water

Which of the following percentages is the best estimate for the amount of the water on Earth which is stored in the ocean?

• 97%

• 70%

• 54%

• 20%

The Earth has

• more freshwater than saltwater

• more saltwater than freshwater

• unknown amounts of saltwater and freshwater

• the same amounts of saltwater and freshwater

What is the water that fills the cracks and spaces in underground soil and rock layers called?

• Groundwater
• Water Table
• Precipitation
• Snow

What percent of Earth's water is freshwater?

• About 97%

• About 3%

• About 75%

• About 30%

large sheets of frozen freshwater in the polar regions

• oceans

• igloos

• glaciers

• saline

The majority of Earth's water is

• fresh

• salty

Water that is drinkable is called

• freshwater
• salt water
• okay water
• good water

Which of the following water sources can you NOT drink from?

• rivers

• fresh water lakes

• oceans

• ground water

The continuous movement of water from the Earth's surface to the air and back again is called the

• water evaportation
• water sequence
• water cycle
• water rotation

The graph shows the distribution of the freshwater resources of Earth. Based on the date in this graph, which of these sources of fresh water corresponds to Source 1?

• atmospheric water

• surface water

• frozen water

• groundwater