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Cat's Meow
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In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.

Spaghetti Bridge
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In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

Instant Ice Cream
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In this activity, learners make instant ice cream without using a freezer.

Cabbage Indicator
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In this fun chemistry activity (page 3 of the pdf), learners use cabbage juice to determine the pH of several substances.

Guar Gum Slime
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In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.

Comparing Crystals
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In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own.

What's the Difference between Weather and Climate?
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In this interactive and informative group activity, learners use packages of M&M's to illustrate the difference between weather and climate.

Going Buggy: Three Body Parts
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In this fun snack and craft activity, young learners make "Ants on a Log" and their own model of an insect. The purpose is to learn the three main insect body parts—head, thorax and abdomen.

Sink or Swim?
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Learners observe a tank of water containing cans of diet and regular sodas. The diet sodas float and the regular sodas sink. All the cans contain the same amount of liquid and the same amount of air.

How Sweet It Is
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In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

Sugar/Salt Crystals
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In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

Pickle Lab
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In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.
Breakfast Sweets
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In this math activity, learners guess which cereals contain the most sugar. Learners use the nutrition labels on the cereal boxes to find the cereal with the least amount of sugar.

Make a Green Gumball Black
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In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!
Triboluminescence
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In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

Gelatin Prism
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In this activity, learners make prisms from gelatin. Learners then shine light through the prisms and discover what happens. This activity introduces learners to the idea of refraction.

Make Your Own Sculpture Dough
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In this activity on page 7 of the PDF, learners follow a recipe to make a dough similar to the clay artists use to make sculptures.

Exploring Baking Powder
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In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.

Soda Explosion
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This hands-on activity lets participant explore chemical reactions as they create a soda explosion with lots of bubbles. The bubbles in soda are made of carbon dioxide gas.

An Apple as Planet Earth
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In this environmental education demonstration (page 6 of the PDF), learners will see a tangible representation of the scarcity of soil resources on earth.