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Item WC079002: Clouds are made up of tiny water droplets that form as water vapor in the air condenses.

How are clouds related to water vapor and water droplets?

  1. Water vapor in the air condenses to form tiny water droplets, and these water droplets make up clouds.
  2. Water vapor in the air makes up clouds, but water vapor does not condense to form tiny water droplets that make up clouds.
  3. Water vapor in the air condenses to form tiny water droplets, but the water vapor and water droplets do not make up clouds.
  4. Water vapor in the air stays in the air as water vapor. The water vapor does not make up clouds, and it does not condense to form tiny water droplets.
Distribution of Responses
Chart showing distrubtion of responses for Item 079002
Students Responding Correctly
Group Correct Total Percent
Overall 1643 3063 54%
Grades
  6–8 1031 1925 54%
  9–12 611 1136 54%
Gender
  Male757145652%
  Female856155155%
Primary Language
  English1492273355%
  Other10924544%

View data table