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In this activity, learners get a closer look at the shape of a drop of water and a drop of oil. Learners first drip water onto wax paper and examine the shape of separate drops from a side view.

In this activity, learners working in pairs saturate a cotton ball using water drops from an eyedropper to demonstrate the high water capacity of clouds.

Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve.

In this activity, learners explore how salt water freezes in comparison to fresh water.

Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together.

In this physics activity, learners will explore buoyancy.

In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

In this activity, learners see how many coins they can add to a full glass of water before the water overflows.

In this activity, learners are challenged to lift a floating ice cube out of a glass of water using just one end of a piece of string.

In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.

In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water.