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In this hands-on botany activity, learners sprout vegetables in film canisters.

This is a great activity about human energy production. Learners will work out with a clothespin to investigate why hockey players jump on a stationary bike after an intense game.

In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

This activity shows you how to make a mold terrarium using a jar and leftover food.

In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes.

This is an activity about reaction times. Just how quickly must an NHL goalie respond to save a shot, and how does your reaction time compare?

In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

In this activity, learners investigate convection by using food coloring and water of different temperatures.

In this activity, learners explore Charles' Law in a syringe.

This is an activity about friction as well as kinetic and potential energy.

Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.

This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena.

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.

In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered.

Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.