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Squidgy Slime
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In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.

Property Sort
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In this activity, young learners will describe objects by their properties and sort by color, weight and texture. This activity uses household items and toys for materials.

Weather Vane and Anemometer
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In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

Iron in Cereal: Find iron in your food!
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Learners investigate an iron-fortified cereal by stirring it with a strong magnet. They discover that metallic iron is present in some cereals.

Rubber Band Boat
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In this activity, learners build styrofoam boats powered by twisted rubber bands.

Milk Plastic
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In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.

What's That Sound?
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This game plays a dozen different sounds, altered to simulate what they would sound like if you had hearing loss.

Photosynthesis and Transpiration
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In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

Dangling Magnet
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In this activity about magnetism (page 13 of the pdf), learners will experiment with magnets to explore how water and other liquids affect the strength of magnetic fields.

Target Practice
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In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

Periscope
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In this optics activity, learners build a spy tool to secretly view things over walls or around corners.

Gumdrop Dome
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In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

Throw Your Weight Around
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During this activity, learners take part in a variety of tasks which involve moving and balancing different body parts.

Ships Ahoy!
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The goal of this activity is to design the fastest sailboat or one that carries the most treasure.

Shake the Bag Ice Cream
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In this activity, learners will experiment with salt and ice in order to turn a bag of ingredients into ice cream.

Remote Control Roller: Experiment with Static Electricity
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This activity is an investigation of static electricity. What happens when you get "static cling?" Basically, you pile up electrons on one thing, which attracts the protons in something else.

Exploring Earth: Temperature Mapping
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This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.

Measuring with Flubber
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In this activity learners will measure and manipulate flubber using different tools. Learners will explore volume and make observations about texture and shapes.

Exploring the Universe: Ice Orbs
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“Exploring the Solar System: Ice Orbs” is a hands-on activity in which visitors investigate a frozen orb, trying to learn about objects hidden inside.

Fork it Over
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This is an activity about center of gravity. Learners will balance a fork on a glass by finding its center of gravity.