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The Shadow Knows I
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In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.

Piles of Paper: Estimate Paper Use
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In this activity, learners keep track of how much paper the group uses in a week. Build awareness of paper waste, while strengthening measurement and estimation skills.

Super Bounce
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In this activity (on page 1 of the PDF under SciGirls Activity: Soccer Ball Kick), learners will investigate the transfer of energy using sports equipment.

Take It in Stride
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In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking.

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.

Stepping Out: Hop, Skip, Jump
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In this activity, learners explore and experiment how we can use our bodies everyday to get from one place to another.

Piles of Pennies
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In this coin math activity, learners sort and stack 100 (one hundred) pennies into piles of 5 pennies each, 10 pennies each, and 20 pennies each.

Measure Your Ability to See
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In this exercise (Activity #2 on page), learners test their distance vision to evaluate their overall eyesight.

Having a Gas with Cola
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In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

Experiencing Parallax With Your Thumb
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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

A Question of Balance
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In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.

Mass of the Earth
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In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth.

Measure the Speed of a Water Leak
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In this activity (page 2 of PDF under GPS: Glaciers Activity), learners will measure the rate at which water streams out of a leaky cup.

How Far?
To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

Fruity Electricity
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In this activity, Frankenstein's lab is running out of electricity! Learners use fruit to help Igor find a temporary source of energy to turn on a light.
Find Someone: Use Math to Learn About Friends
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Create a “Find Someone” list, with about 10 items, each containing a shape, number, or measurement. Can you find someone in the group with hair about 4 inches long? Someone wearing parallel lines?

Try Your Hand at Nano
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This lesson focuses on two simple activities that younger learners can do to gain an appreciation of nanotechnology. First, learners measure their hands in nanometers.

Does Air Weigh Anything?
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The demonstration/experiment provides quick proof that air has mass.

Launch Altitude Tracker
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In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.

Growing Plants
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In this "Sid the Science Kid" activity from Episode 107: My Shrinking Shoes, learners observe how plants change as they grow.