Unit 4

What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation

Which best explains why runoff is important?

• It returns water to other locations on Earth
• It increases the chance of flooding
• It makes evaporation occur faster
• It increases condensation

What is it called when water is formed from a liquid to a water vapor?

• EVAPORATION
• PRECIPITATION
• TRANSPIRATION

The water cycle has no start or end

• true
• false

As a part of the water cycle, water from Earth's surface enters the clouds and finally falls back to the ground in the form of rain. What is the correct sequence of processes water undergoes?

• Evaporation, Condensation, Precipitation

• Precipitation, Condensation, Evaporation

• Condensation, Evaporation, Precipitation

• Evaporation, Precipitation, Condensation

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

• W

• X

• Y

• Z

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

Respiration is the process by which animals take in _____ and release _____. 

• photosynthesis, air
• carbon, oxygen
• oxygen
• oxygen, carbon dioxide

Carbon atoms cannot be created or destroyed

• True

• False

• Not enough information to answer

Carbon can be found in...?

• The atmosphere
• Inside of the Earth
• Fossil fuels
• All of the above!