The Water Cycle — Answer Key
Part A: Multiple Choice
Circle the correct answer for each question.
1. What powers the water cycle?
A) Wind
B) The moon
C) The sun
D) Rain
The correct answer is C) The sun.
2. What is EVAPORATION?
A) Water falling from clouds
B) Water vapor cooling into clouds
C) Liquid water turning into water vapor
D) Water collecting in lakes
The correct answer is C) Liquid water turning into water vapor.
3. What is CONDENSATION?
A) Water vapor turning into liquid water droplets
B) Liquid water evaporating
C) Rain falling
D) Water collecting
The correct answer is A) Water vapor turning into liquid water droplets.
4. Which is NOT a form of precipitation?
A) Rain
B) Snow
C) Hail
D) Evaporation
The correct answer is D) Evaporation.
Part B: Fill in the Blank
Write the missing word on the line.
1. The water cycle is called a 'cycle' because it repeats over and over.
The correct answer is 'repeats'. The water cycle is called a 'cycle' because it repeats over and over.
2. Water evaporates from oceans and then falls back to Earth as rain.
The correct answer is 'falls'. Water evaporates from oceans and then falls back to Earth as rain.
3. The step AFTER evaporation in the water cycle is condensation.
The correct answer is 'condensation'. The step AFTER evaporation in the water cycle is condensation.
4. Plants help the water cycle by releasing water through transpiration.
The correct answer is 'transpiration'. Plants help the water cycle by releasing water through transpiration.
5. Water that runs into rivers and lakes after rain is called surface runoff.
The correct answer is 'runoff'. Water that runs into rivers and lakes after rain is called surface runoff.