The Environment

What percentage of Earth's water is contained in the oceans?

• 80%

• 50%

• 70%

• 60%

Which form of precipitation can be solid?

• Snow

• Rain

• Mist

• Vapor

What happens to water when it infiltrates the soil?

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What is the term used to describe the combination of evaporation and transpiration from plants?

• Precipitation

• Condensation

• Evapotranspiration

• Collection

How do clouds form in the Water Cycle?

• Through runoff

• Through collection

• Through precipitation

• Through condensation

What does the moon look like from Earth during the new moon phase?

• Half illuminated

• Mostly illuminated

• Fully illuminated

• Completely dark

What does 'waxing' in waxing crescent refer to?

• The moon is disappearing

• The illuminated part of the moon is growing

• The illuminated part of the moon is shrinking

• The moon getting darker

During which phase is the moon exactly half illuminated on the right side?

• Waxing crescent

• Waning gibbous

• Full moon

• First quarter

What does 'waning' indicate about the moon's illumination?

• It is increasing

• It is not visible

• It is decreasing

• It is fully illuminated

How long does it take for the moon to complete one full cycle and return to the same phase?

• 24 days

• 30 days

• 27 days

• 31 days