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

To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

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

Learners attach an egg to a rubber-band bungee cord and drop the egg.

Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing.

Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.

In this chemistry activity, learners explore whether matter is created or destroyed during a chemical reaction. They will compare the weight of various solutions before and after they are mixed.

In this activity about how the body regulates blood pressure (page 117 of the PDF), learners make and compare measurements of heart rate and blood pressure from three body positions: sitting, standing

In this chemistry activity, learners will separate a mixture of FD&C dyes (colors certified and allowed by the US for the Food, Pharmaceutical, Cosmetics & Personal Care industry) to practice

Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.

In this activity (3rd on the page), learners investigate circadian rhythms by examining how well people do with estimating time.

In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

In this activity, learners make a simple spring-like scale using a rubber band instead of a spring, and calibrate the scale in newtons (N).

In this chemistry activity, learners use chemical reactions to observe the composition of an alloy.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.