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Copter Engineering
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In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

Rainbow Refraction
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In this activity, learners will explore how light can refract or break apart into different colors.

Make a Balance / Scale
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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.

Shadow Puppets
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In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

Good Vibrations
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This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.

Light as Air
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In this physics activity (page 6 of the PDF), learners will demonstrate air has weight by comparing an inflated balloon to a deflated one.

Ready to Observe: Enhance Your Telescope Experience
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This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.

Filtering
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Make a quick and easy filter from household materials. A filter will catch any solids suspended in a liquid and filter them out. By using a filter, learners can discover amazing things.

Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

Rhythm Painting
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In this activity, early learners create paintings by making music and rhythm. Learners place paper in cans, add paint-soaked beans (or pebbles) and put the tops on.

Soap Bubble Art
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Capture soap bubble patterns on paper! In this activity, learners can create beautiful pictures from popping soap bubbles.

Heavy or Light
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In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

Apartment Buildings and More
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In this engineering activity, young learners investigate multi-level buildings.

Salt Crystal Garden
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In this activity, learners will explore saturated solutions and discover how crystals form.

The Rain Man
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In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.

Density Rainbows
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In this activity, learners explore the concept of density by pouring 5 different liquids into a jar. Food coloring is added if needed to give each liquid a distinct color.

Sock It To Me
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In this activity, learners discover how sweating makes us feel cooler. Learners put on one damp sock and one dry sock and sit in front of a fan.

Spin Art
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Make your own spin art device using an old record player! Notice patterns and effects the spinning movement has on your work. When finished, post your work to the Spin Art Gallery!

If Anyone Can, Icon
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In this activity, learners create their own icons for a forecast-at-a-glance poster for their classroom/learning space.
Making Rivers
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In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.