Water Cycle Experiment Worksheet
This water cycle experiment worksheet guides 3rd grade students through a simple bag model, then has them match evaporation, condensation, precipitation, and collection to what they see. An answer key is included.
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About this resource
Description
Water is always on the move, and this water cycle experiment worksheet lets 3rd grade students watch it happen. The water cycle is the path water takes as it rises into the air, forms clouds, falls back to Earth, and gathers again. When students build a small model of that loop, words like evaporation and condensation stop being vocabulary to memorize and become something they can see.
About This Worksheet
This water cycle in a bag activity walks students through a simple science experiment with a clear zip bag, a little water, and a sunny window. Students read four numbered steps, then think about what happens inside the bag over one week. Next, they use a word box to match each thing they see in the bag to the water cycle stage it shows. Last, they write a short answer that explains how the bag is like the water cycle outside, using two water cycle words. The water cycle experiment worksheet works well as a lab sheet, a science center, or homework to share with families.
What’s Included
- A 4-step water cycle in a bag experiment students can follow at school or at home
- A word box with evaporation, condensation, precipitation, and collection
- 4 match-the-stage items tied to what students see in the bag
- A short written explanation that links the model to the real water cycle
- A complete answer key
3 Reasons This Worksheet Helps Kids Learn
First, a hands-on model makes an invisible process easy to observe, so students connect each stage to a real event. Second, matching sentences to stage names builds the science vocabulary that shows up on 3rd grade tests. Third, the written answer asks students to explain their thinking, which moves them from naming stages to understanding how the stages connect.
Ideas for Teachers and Parents
Set up one bag for the class and let students check it each morning as a quick warm-up. Ask them to draw what they see on day one and day five and compare the drops. For an extra challenge, set up a second bag in a shady spot and talk about why the sunny bag changes faster. Parents can try the experiment on a kitchen window over a weekend.
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