Earth's Water

How much of the available freshwater is accessible for drinking?

• 10%

• 25%

• 1%

• 50%

What does it mean to conserve water?

• To save water and use it wisely to prevent waste.

• To use as much water as possible for daily activities.

• To ignore water usage and let it flow freely.

• To collect rainwater for decorative purposes.

What is groundwater?

• Water that is stored in rivers and lakes.

• Water that is stored underground in soil and rock layers, which can be accessed through wells.

• Water that is found in the atmosphere as vapor.

• Water that is used for irrigation and agriculture.

What is the water cycle?

• The process by which water is stored in lakes and rivers.

• The continuous process by which water moves from the Earth's surface to the atmosphere and back, involving evaporation, condensation, and precipitation.

• A method of purifying water through filtration and boiling.

• The cycle of water usage in agriculture and irrigation.

What percentage of Earth's water is freshwater?

• 1%

• 3%

• 5%

• 10%

What is the difference between saltwater and freshwater?

• Saltwater is suitable for drinking, while freshwater is not.

• Saltwater contains a high concentration of salt, while freshwater has a low concentration of salt and is suitable for drinking.

• Saltwater is found in rivers, while freshwater is found in oceans.

• Saltwater is always warmer than freshwater.

What is precipitation?

• A type of cloud formation

• Any form of water that falls from the atmosphere to the Earth's surface

• A measure of humidity in the air

• A weather phenomenon that occurs only in winter

How much of the Earth's water is saltwater?

• 70%

• 80%

• 90%

• 97%

What is evaporation?

• The process by which water changes from a liquid to a gas, usually due to heat.

• The process of water freezing into ice due to cold temperatures.

• The process of water being absorbed by soil and plants.

• The process of water condensing from a gas to a liquid.

Where does most of our drinking water come from?

• From ocean desalination processes.

• From precipitation that collects in rivers, lakes, and underground aquifers.

• From bottled water sources.

• From industrial wastewater recycling.