Activity
Exploratorium

Exploratorium: Science Snacks: Spinning Cylinder

For Students 9th - 10th
Explore the motion of a cylinder that spins around its axis at the same time as it rotates around a line that is perpendicular to this axis.
Activity
Exploratorium

Exploratorium: Science Snacks: Squirming Palm

For Students 9th - 10th
Create this optical illusion that incorporates what is known as the waterfall effect.
Activity
Exploratorium

Exploratorium: Science Snacks: Strange Attractor

For Students 9th - 10th
Explore the chaotic motion of a pendulum that is swinging above several magnets that are fixed in place and see what patterns you can find.
Activity
Exploratorium

Exploratorium: Science Snacks: Straw Oboe

For Students 9th - 10th
Try making this straw oboe to explore the resonance characteristics of the sound it makes.
Activity
Exploratorium

Exploratorium: Science Snacks: Take It From the Top

For Students 9th - 10th
Play with the center of gravity as you balance a set of blocks in a way that looks impossible.
Activity
Exploratorium

Exploratorium: Science Snacks: The Three Little Pigments

For Students 9th - 10th
For this activity, you print different colors of the same image onto acetate, then explore the different color effects you get when they are overlaid on each other in various combinations.
Activity
Exploratorium

Exploratorium: Science Snacks: Thread the Needle

For Students 9th - 10th
Learn about depth perception in this needle-threading activity.
Activity
Exploratorium

Exploratorium: Science Snacks: Tired Weight

For Students 9th - 10th
Learn how the air pressure in tires can be used to determine the weight of an automobile.
Activity
Exploratorium

Exploratorium: Science Snacks: Touch the Spring

For Students 9th - 10th
Explore the behavior of light as it reflects off a concave mirror in this optical illusion.
Activity
Exploratorium

Exploratorium: Science Snacks: Viral Packaging

For Students 9th - 10th
Make an icosahedron, a shape with twenty triangular faces. This shape is used by most viruses to contain their genetic material in the most efficient way possible.
Activity
Exploratorium

Exploratorium: Science Snacks: Vocal Visualizer

For Students 9th - 10th
Create a vocalizer device out of PVC piping and, with the help of a laser pointer, use it to project a visualization of the sound vibrations you make with it.
Activity
Exploratorium

Exploratorium: Science Snacks: Water Bottle Membranophone

For Students 9th - 10th
Try making this instrument that incorporates a stretched membrane. As air is blown into the attached bottle, sound vibrations are produced. With the addition of finger holes, different sounds can be made.
Activity
Exploratorium

Exploratorium: Science Snacks: Whirling Watcher

For Students 9th - 10th
Make a stroboscope and investigate how to make it seem like the image you look at appears to move.
Activity
Exploratorium

Exploratorium: Science Snacks: Afterimage

For Students 9th - 10th
An activity that explains why you see an afterimage after looking at something bright like a camera flash or lamp. Understand that an afterimage is a lingering visual impression that happens as a result of the chemical changes in the...
Activity
Exploratorium

Exploratorium: Science Snacks: Anti Gravity Mirror

For Students 9th - 10th
Using the property of reflection, this activity will have students appearing to defy gravity.
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Exploratorium

Exploratorium: Science Snacks: Anti Sound Spring

For Students 9th - 10th
Get a visual of how waves travel and interact by using a spring in this activity.
Activity
Exploratorium

Exploratorium: Science Snacks: Avalanche

For Students 9th - 10th
In this activity, pour a salt-sand mixture into a CD case to notice how the particles separate themselves. Observe the effect known as granular convection as the smaller sand particles fall beneath the larger particles leaving a layered...
Activity
Exploratorium

Exploratorium: Science Snacks: Balancing Stick

For Students 9th - 10th
An activity to study how the position of the center of gravity is affected by the distribution of mass of an object. This activity ask students to balance a dowel on their finger and by moving the playdoh around the dowel they see how it...
Activity
Exploratorium

Exploratorium: Science Snacks: Bee Hummer

For Students 9th - 10th
An engineering design project to use simple materials to make an instrument to mimic the sound of a swarm of bees.
Activity
Exploratorium

Exploratorium: Science Snacks: Bernoulli Levitator

For Students 9th - 10th
This activity illustrates Bernoulli principle by suspending an object in the air by blowing down on it.
Activity
Exploratorium

Exploratorium: Science Snacks: Bicycle Wheel Gyro

For Students 9th - 10th
Did you know that by holding a spinning bicycle wheel you can make a rotating chair spin? This activity will have you spinning as you use a bicycle wheel as a gyroscope.
Activity
Exploratorium

Exploratorium: Science Snacks: Bird in a Cage

For Students 9th - 10th
Learn about the receptor cells in your eye's by completing this activity! In this activity, observe how by staring at one color you will see another due to adaptation of the cones in your eye.
Activity
Exploratorium

Exploratorium: Science Snacks: Blind Spot

For Students 9th - 10th
Did you know that there is a part of your eye that does not give you any visual information? In this activity learn about this part of the retina called the "blind spot".
Activity
Exploratorium

Exploratorium: Science Snacks: Bone Stress

For Students 9th - 10th
This activity uses polarized lights to show stress patterns in a clear plastic fork. Students can relate the stresses in plastic to stresses in the bone.

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