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In this activity (2nd activity on the page), learners explore how the nose is responsible for part of the flavor we taste in food.

In this activity, learners investigate diffusion by creating underwater "fireworks" using food coloring, oil and water.

This is a quick activity that shows how large amounts of rock and sediment are added to the edge of continents during subduction.

In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

Perform this classic inertia demonstration to illustrate the transfer of potential energy to kinetic energy.

In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

In this demonstration, cook a cake using the heat produced when the cake batter conducts an electric current.

In this physics demonstration, learners are challenged to insert a straw the furthest into a potato.

In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle.

In this interactive and informative group activity, learners use packages of M&M's to illustrate the difference between weather and climate.

In this geology activity (page 6 of the PDF), learners explore how carbonic acid can slowly dissolve limestone and form caves.

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

In this environmental education demonstration (page 6 of the PDF), learners will see a tangible representation of the scarcity of soil resources on earth.

In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

In this physics demonstration, learners are challenged to break a raw egg just by squeezing it. Learners will be shocked by their inability to complete the deceivingly simple challenge.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes.

In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

In this quick SciGirls activity (page 1 of the PDF under SciGirls Activity: Doghouse Design), learners will be introduced to the concept of thermal conductivity.

In this physics demonstration, learners will be surprised when a lemon slice appears to magically levitate within a pint glass.