This medium Grade 1 worksheet deepens understanding of evaporation and condensation. First graders complete nine fill-in-the-blank sentences explaining how the sun heats water, how liquid turns into water vapor, and how vapor forms clouds. They then complete a matching activity connecting the four water cycle stages — evaporation, condensation, precipitation, and collection — to clear, kid-friendly descriptions of what happens during each stage of the cycle.
Style:
The Water Cycle
Part A: Fill in the Blank
Write the missing word on the line.
1. The sun heats water in oceans, lakes, and rivers.
2. When liquid water is heated, it turns into water vapor.
3. The process of water turning into water vapor is called evaporation.
4. Water vapor is water in the form of a gas.
5. Water vapor rises up into the sky because it is lighter than air.
6. High in the sky, water vapor cools down and turns back into tiny water drops.
7. When water vapor turns into tiny water drops, it is called condensation.
8. Tiny water drops stick together in the sky to form clouds.
9. You can see condensation on a cold glass of water when drops form on the outside.
Part B: Match the Water Cycle Stage
Draw a line from each water cycle stage to its description.
1.
Evaporation
→ The sun heats water and it becomes vapor
Water falls from clouds as rain or snow
Condensation
→ Water vapor cools and forms clouds
Water vapor cools and forms clouds
Precipitation
→ Water falls from clouds as rain or snow
Water gathers in rivers, lakes, and oceans
Collection
→ Water gathers in rivers, lakes, and oceans
The sun heats water and it becomes vapor
The Water Cycle
★ Part A: Fill in the Blank
Write the missing word on the line.
1) The sun heats water in oceans, lakes, and rivers.
2) When liquid water is heated, it turns into water vapor.
3) The process of water turning into water vapor is called evaporation.
4) Water vapor is water in the form of a gas.
5) Water vapor rises up into the sky because it is lighter than air.
6) High in the sky, water vapor cools down and turns back into tiny water drops.
7) When water vapor turns into tiny water drops, it is called condensation.
8) Tiny water drops stick together in the sky to form clouds.
9) You can see condensation on a cold glass of water when drops form on the outside.
★ Part B: Match the Water Cycle Stage
Draw a line from each water cycle stage to its description.
1)
Evaporation
→ The sun heats water and it becomes vapor
Water falls from clouds as rain or snow
Condensation
→ Water vapor cools and forms clouds
Water vapor cools and forms clouds
Precipitation
→ Water falls from clouds as rain or snow
Water gathers in rivers, lakes, and oceans
Collection
→ Water gathers in rivers, lakes, and oceans
The sun heats water and it becomes vapor
Ready to Practice?
Fill in the missing words about the water cycle. Then draw a line to match each stage to its description.
10 Questions
15-20 minutes
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