Worked example
Liquid surface water becomes water vapor. Which process is described?
Answer & why
Answer: evaporation
Evaporation moves liquid water into the gas state.
Grade 4 · Science
Describe water-cycle changes
Identify water-cycle processes from their descriptions.
8 authored questions + worked example
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All questions
All 8 authored questions for this skill.
Question 1
A cloud releases hail toward the ground. Which process is described?
- condensation
- runoff
- evaporation
- precipitation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: precipitation
Hail falling from a cloud is precipitation.
Question 2
Water moves downhill over a path toward a pond. Which movement is described?
- precipitation
- runoff
- condensation
- evaporation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: runoff
The water is moving over the land surface.
Question 3
Liquid surface water becomes water vapor. Which process is described?
- condensation
- runoff
- evaporation
- precipitation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: evaporation
Evaporation moves liquid water into the gas state.
Question 4
Water vapor cools into tiny liquid cloud droplets. Which process is described?
- condensation
- runoff
- evaporation
- precipitation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: condensation
Condensation turns water vapor into liquid droplets.
Question 5
Water falls from clouds as rain or snow. Which process is described?
- evaporation
- precipitation
- runoff
- condensation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: precipitation
Precipitation is water falling from clouds.
Question 6
Rainwater flows over the land into a stream. Which movement is described?
- condensation
- evaporation
- runoff
- precipitation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: runoff
Runoff is water flowing over the land surface.
Question 7
Water from a puddle enters the air as vapor. Which process is described?
- runoff
- precipitation
- evaporation
- condensation
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: evaporation
The liquid becomes water vapor through evaporation.
Question 8
Cooling vapor forms drops on a cold surface. Which process is described?
- condensation
- precipitation
- evaporation
- runoff
A hint
Follow where the water moves and whether its state changes.
Answer & why
Answer: condensation
The gas changes into liquid drops.