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Wind Mapping with Bubbles
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Discover the wind's direction using bubbles, a map and a keen eye. Learners blow bubbles and note their general direction on a map, taking readings from different points around a building.

Laser Lissajous: PVC Version
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In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.

Are you a Square or a Rectangle?
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In this activity, learners investigate whether more people are squares or rectangles. People with similarly sized heights and arm spans are classified as squares.

Endurance: How Many Can You Do in a Row?
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Combine math and exercise with this activity. Learners count how many times in a row they can skip rope or throw and catch a ball.

Laser Lissajous: Binder Clip Version
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In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.

Wet Art
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In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

Radioactive-Decay Model: Substitute coins for radiation
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Get a roll of pennies, throw them on the ground, then remove those that only show tails, and repeat with the ones left over.

Drawing Board
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The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum.
Many Seeds: Estimating Hidden Seeds
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In this activity, learners will estimate how many seeds are in a fruit or vegetable, then count to find out. The result: mix estimation with healthy eating.

Kaleidoscope
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In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.
Counting Books: Make Your Own!
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On the first night, I saw 5 stars in the desert. On the second night, I saw 10… What do you think I saw on the third night? Combine arts and crafts, literacy, and math by making a counting book.

Guess My Rule
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In this activity, learners play a guessing game to explore classification.

Disappearing Act
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Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.

Makin' Tracks
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In this activity, learners make plaster casts of an animal track to learn more about animals and animal behavior.

Human Traits
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In this activity, learners investigate variations in human traits. This allows learners' natural curiosity about their identity to draw them into the study of heredity.
Look Around: Hunt For Sizes, Shapes and Numbers
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In this activity, learners will participate in a scavenger hunt involving sizes, shapes, and numbers. This activity works well with a whole group, individuals, or families.

Make Your Own Weather Station
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This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.