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Weather Vane
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

Changing Shadows
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In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

Fun with Flatware: Little Experiments to Try at the Dinner Table
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This is a series of three quick science activities to do with a spoon, knife, and fork. In the first two activities, learners use the flatware to explore optics, mirrors, reflection, and distortion.

2-Liter Landfill
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In this activity, learners gain a better understanding of how household/school waste breaks down in a landfill. Learners collect trash and then create miniature landfills in 2-liter bottles.

Zoo Calendar
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Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts.

A Closer Look at Crystals
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In this activity, learners compare different types of salt crystals under a magnifying glass.

PVC Water Squirter
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

Water, Water Everywhere
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In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea

Homegrown Xylophone
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In this activity, learners create music from a series of bottles filed with water. Learners discover that the sound produced by each bottle depends on the amount of water in the bottle.

Glitter Globe
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This activity shows learners (with adult supervision) how to make a Glitter Globe, a fabulous toy that shimmers when you shake it.

Count Around
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Learners explore their surroundings while reasoning about categories and counting.

Tic-Tac-Toe
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In this online version of the classic paper and pencil game, learners practice looking ahead to anticipate an opponent's move.

Balloon Car
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In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.

Slide Whistle
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In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.

Mixing and Unmixing in the Kitchen
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In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.

Simple Machine Challenge
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In this activity, learners are challenged, using everyday objects, to create simple machines to complete specific tasks.

Tweak Your Beak
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In this activity, learners will explore how different bird beaks work and discover what birds can eat based on their beak shape.

Sun Prints
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This activity uses a special paper that can create images with exposure to the Sun. Collect objects of different shapes and sizes and use them to make interesting patterns on your sun print.
Mystery Jars: Estimate Contents
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This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.

Color Contrast
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Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.