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Activity
Exploratorium

The Three Little Pig(ments)

For Teachers 4th - 8th
Photocopy single-color images onto acetate transparencies and either demonstrate or have your class experience the combination of colors to produce images. Children will learn that cyan, magenta, yellow, and black combine to make all of...
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Activity
Exploratorium

Tired Weight

For Teachers 7th - 12th
Take your class out to visit your automobile and use the tires to compute the weight of the vehicle. This is done by measuring the surface of the tire meeting the ground and the air pressure. This is a fun lesson in the relationship...
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Activity
Exploratorium

Resonant Rings

For Teachers 9th - 12th
Physical or earth scientists construct this clever contraption to demonstrate how size effects frequency. Several paper rings of various sizes are taped onto a board and shaken to create vibrations. The resonant frequencies are easily...
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Activity
Exploratorium

Radioactive Decay Model

For Teachers 9th - 12th
Toss 100 pennies (or poker chips or any other two-different-sided objects) and remove all of those displaying tails. Line them up and repeat. The lines of pennies collected get smaller each time, successfully representing half-life.
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Activity
Exploratorium

Pinhole Magnifier

For Teachers 5th - 8th
Using a pinhole in an index card, learners of light find that it can be used as a magnifier. 
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Activity
Exploratorium

Moire Patterns

For Teachers 9th - 12th
By overlapping combs and window screening and by looking at a printed set of consecutively larger circles, learners observe Moire patterns, which provide a visual of what happens during wave interference. 
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Activity
Exploratorium

Disappearing Act

For Teachers 1st - 3rd
Crafty critters are camouflaged to escape predators, and crafty science pupils can construct a camouflage demonstration. They work with a partner to show that as a camouflaged animal moves, it becomes more visible. 
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Activity
Exploratorium

Bridge Light

For Teachers 8th - 12th
An illuminating activity demonstrates how interference of light waves creates a pattern. Using Plexiglas™ and construction paper, participants see rainbows appear as they twist or press against the plastic plates. After the activity, you...
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Activity
Exploratorium

Pupil

For Teachers 4th - 7th
Give pupils a magnifier, a mirror, and a flashlight so that they can examine their own pupils. As they shine a light on their eyes, the light is shone on how this structure dilates and contracts to control how much is allowed into the...
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Activity
Exploratorium

Polarized Sunglasses

For Teachers 8th - 10th
Reflected waves of light move within a plane, and because of this, polarizing materials can reduce the glare our eyes see. This resource explains how to set up a demonstration of this effect. Consider it for use in your physical science...
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Activity
Exploratorium

Laser Jello

For Teachers 7th - 10th
The concepts of refraction and reflection gel with your physical science class during this colorful exploration. Shining lasers through Petri-dish-shaped gelatin desserts, they will notice how the light travels and bounces off the sides....
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Activity
Exploratorium

Inverse Square Law

For Teachers 9th - 12th
The inverse square law is revealed when your class participates in this activity. They move a graph paper or perfboard square back and forth in a square of light to see how the intensity changes. You will definitely want to add this...
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Activity
Exploratorium

Hand Battery

For Teachers 6th - 8th
Get hands-on in your physical science class by having learners conduct electricity with their own hands! By placing one hand on each of two different metals, a current can be generated and measured on a microammeter. Make an experiement...
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Activity
Exploratorium

Jacques Cousteau in Seashells

For Teachers 6th - 8th
Visionaries create images out of dots to demonstrate the eye-brain connection. Through this activity, they learn that the brain interprets data collected by the eye into recognizable information. Search online for "Jacques Cousteau in...
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Activity
Exploratorium

Descartes' Diver

For Teachers 6th - 8th
Pique interest in water pressure, demonstrate buoyancy, and explore water displacement concepts with a homemade Cartesian diver. You may want to change the name of the toy, however, as is is not documented the Rene Descartes actually...
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Activity
Exploratorium

Diffraction

For Teachers 6th - 8th
Kindle knowledge of how light travels by using this activity in your physical science curriculum. By setting up a candle flame or flashlight bulb and viewing it through a slit, observers of light see evidence of its wave characteristic....
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Lesson Plan
Exploratorium

Blue Sky

For Teachers 5th - 9th
Use a container full of water as a prism and show that as light is bent, the individual colors from different wavelengths become visible. This explains why the sky appears to be blue midday, and why as the sun nears the horizon, it looks...
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Activity
Exploratorium

Blind Spot

For Teachers 6th - 8th
A small card with a dot and an X is held at arm's length and used to show youngsters where their blind spot is. This illuminating little activity is a compact addition to your lesson on the structure of the eye as it explains the part of...
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Activity
Exploratorium

Balancing Ball

For Teachers 6th - 10th
Demonstrate lift to the class that is studying aerodynamics. In the stream of air produced by a blow dryer, little physicists place a wad of tissue paper and a spherical figure to compare. Or, if you have a vacuum cleaner and beach ball,...
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Activity
Exploratorium

Balancing Stick

For Teachers 6th - 10th
Have some physical science fun when studying the center of gravity or center of mass. Simply have balancing artists stand a dowel on one finger and keep it from falling over! A lump of clay is added and moved up along the dowel over a...
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Activity
Exploratorium

Afterimage

For Teachers 4th - 8th
To illuminate how afterimage occurs, create a star, square, or other geometric-shaped light for learners to look at for 30 seconds. Then, have them explain what they see as they shift their focus to a blank wall. A full explanation of...
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Lesson Plan
Exploratorium

Soda Can Mirrors

For Teachers 6th - 8th
Here is an entertaining and illuminating lesson plan on morphed images. Middle schoolers make cylindrical mirrors by wrapping soda cans in reflective mylar. First, they try to determine what the images are that are embedded in the plan...
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Lesson Plan
Exploratorium

Building Three-Dimensional Structures

For Teachers 6th - 8th
Are you looking for a good 3-D geometry lesson plan that includes hands-on activities for your middle schoolers? Look no further than this one! Pupils use centimeter grid paper embedded in the plan, along with detailed construction...
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Activity
Exploratorium

A Splash of Color - Is Pure Water Colorless?

For Students 6th - 12th
What makes the ocean blue but a glass of ocean water nearly colorless? Investigators prepare tubes of water to examine the color of water. Scholars discover the relationship between light absorption, color variations, and water depth as...