Search Results

In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.

In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.

In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.

In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.