Look Out, Below!

Here's an activity that will change how one sees color. Pupils try out an experiment on chromatography where they place a drop of food coloring on a coffee filter, add several drops of water, and watch the colors spread and separate....

Ecology candidates culture pond water organisms over a few days time, then they experiment to find out how increasing nutrients affects the population. As part of a unit on water, this exploration gives your class an understanding of how...

Looking for a full-color, labeled water cycle diagram? You found one! From evaporation to precipitation to plant uptake and everything in between, it's all here and beautifully illustrated. 

What does a beautiful sunset have to do with the atmosphere? An inquiry-based lesson has learners make observations about the visibility and color of the sky during different time periods. They then relate their observations to...

Watch celery change from green to purple in a video that demonstrates how celery absorbs food coloring to change the color of the leaves. The resource has viewers thinking about the science behind types of water and photosynthesis.

The classic carnation color-change activity for demonstrating water transport up a plant stem is played out in this video. Add the clip to a PowerPoint presentation or show it when teaching plant structure to young botanists. If you have...

Fourth graders explore how colors react in water (chromatography) and other solvents. They observe, investigate, measure, record data and communicate their results in the form of graphs/charts and narration presented to the class....

When you step in mud it can be very messy. How can you tell if soil is wet or dry before you step in it? In this experiment, you can see if color can help you figure it out.

Students investigate the effects of acid and bases on dyes made with plant materials.  In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.

What better time to reinforce a concept than when you're eating? Boost scholars' knowledge of the water cycle with an eye-catching placemat featuring playful raindrops and bright colors.