Click each stage to watch it animate and learn exactly what happens. Water never disappears — it just keeps cycling!
Evaporation — Heat from the Sun turns liquid water into water vapor, which rises into the air.
Condensation — Water vapor cools and turns back into tiny liquid droplets, forming clouds.
Precipitation — When clouds get heavy enough, water falls as rain, snow, sleet, or hail.
Collection — Water collects in oceans, lakes, rivers, and groundwater. The cycle begins again.
Transpiration — Plants release water vapor through their leaves — adding water to the air!
This free interactive science tool is designed for elementary and middle school students. It uses visual animations, hands-on activities, and quizzes to help kids understand key science concepts. All content is aligned with Next Generation Science Standards (NGSS) and is completely free with no login or account required.
Interactive learning tools like this one help students engage with science in ways that textbooks alone cannot. By clicking, dragging, and experimenting, kids build deeper understanding and retain information better. Research shows that active learning leads to stronger academic outcomes compared to passive reading.
Explore the interactive elements above, then test your knowledge with the built-in quiz. You can retry as many times as you like. Teachers can use this tool on interactive whiteboards or assign it for independent practice. Parents can use it for homeschooling or after-school enrichment.
Last reviewed: April 2026