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Hot and Cold
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In this activity, learners explore temperature changes from chemical reactions by mixing urea with water in one flask and mixing calcium chloride with water in another flask.

Crayfish Investigations
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This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.

Solar Flare Flip Book
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In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos.

Save a Snowman
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In this activity, learners explore the concept of insulation by trying to keep Olaf the Snowman from melting. This activity encourages critical thinking and problem solving.

Moon and Stars
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In this craft activity, learners create a string of cut-out moons and stars.

Design a Grabbing Tool
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Using simple materials from around the house and recycled materials, learners will engineer a grabber device to pick up and put down objects that are at least 12 inches away.

DIY Sunprints
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In this activity, learners will see how UV light affects colors over time by making their own sunprint on construction paper.

Create Your Own Decoupage
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In this activity, learners will experiment with textures, shapes, and materials and create their own unique masterpieces.

Shrinkers
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In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.

Make a UV Detector
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In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

Standing in the Shadow of Earth
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This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.

Peanut Butter and Jelly Robot
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This is an activity about robotics programming. Learners will discover how precise programmers have to be as they instruct a friend to make a peanut butter and jelly sandwich.

Magnification vs. Resolution: Can you see the flag on the Moon?
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This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolution.

Colour by Numbers: Image Representation
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This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen.

See the Light
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Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.

Chemistry Is Colorful
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In "Chemistry is Colorful" learners explore different materials through paper chromatography.

Exploring Earth: Land Cover
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This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

Fish Wheels
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In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur

Chain Reaction II
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In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

Lego Man Jump
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In this activity, learners are challenged to create a parachute using easily sourced materials in order to transport a LEGO figure safely to the ground.