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This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface.

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

This activity provides instructions for using cornstarch and water to make an ooze which has the properties of both a solid and liquid.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

This activity has learners observe water and compare it to other liquids.

Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.

This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).

In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others.

In this three-part activity, learners play a game and conduct two simple experiments to explore water and surface tension. Learners will have fun discovering how water "sticks" together.

This is an activity about turbidity, or the amount of sediment suspended in water.

In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.

In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.

This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.