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In this activity, learners build a "pneumatic trough," a laboratory apparatus used for collecting pure gas samples over water.

In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

In this math activity, learners use gingerbread cookies to collect and organize simple data. First, learners read "The Gingerbread Boy" by Paul Galdone.

In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.

Using indirect methods, learners determine the shape and size of a piece of carpet hidden under a piece of plywood.

In this activity, learners build edible models of Jupiter and Earth to compare their sizes and illustrate the planets' internal layers.

In this nutrition/food science activity, learners conduct an experiment and record data to compare the amount of fat in different foods.

In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

In this activity, learners experiment with gear motion to understand how gears work to change the amount of force, speed, or direction of motion in machines.

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

In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more permanent

This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.

In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.