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In this activity, learners complete a series of drawing activities to explore scale and powers of 10. Learners first trace each other on 1-meter-square pieces of paper.

This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.

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 simulation, learners use M&M™ candy to explore radioactive isotope decay.

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

The goal of this activity is to design, build and test a house or toy for an animal.

In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!

This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System.

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

In this activity, learners use a straight line to learn about circles. Learners measure and record the diameter and circumference of different sized cylindrical objects on a chart.

This activity introduces the idea of "divide and conquer" using a fictitious but serious problem--a pair of dirty socks has accidentally been wrapped in one of the presents that Santa is about to deli

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

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

In this activity, learners will first learn the basics of galaxy classification and grouping.

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.

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

In this activity, learners make different shapes that hold exactly one mole of gas (air).

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