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In this activity, learners participate in a scavenger hunt, searching for and recognizing minerals and products that contain minerals.

free Ages 8 - 14 10 to 30 minutes
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In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.

free Ages 8 - adult 1 to 2 hours
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Did you know that you would be a different age if you lived on Mars? It's true!

free Ages 8 - 18 10 to 30 minutes
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In this activity, learners use number sense and mental math strategies to estimate the price of a sign.

free Ages 6 - 11 10 to 30 minutes
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In this activity, learners will rate the day, a book, or something else on a scale from -2 to 2. This activity works well for groups of all ages.

free Ages 4 - 14 5 to 10 minutes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.

free Ages 11 - 14 45 to 60 minutes
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In this design challenge, learners will practice empathy and design thinking skills by creating an invention of the future.

free Ages 6 - adult 10 to 30 minutes
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This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore their eye pupils and how they change.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners discover how the extent of various wind speeds changes in each of the four quadrants around a hurricane.

free Ages 11 - 18 10 to 30 minutes
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This activity introduces the idea that computer scientists measure information by how "surprising" a message is.

free Ages 8 - 14 30 to 45 minutes
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In this activity, learners investigate the properties of different types of balls.

free Ages 8 - 11 1 to 2 hours
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In this simple activity, learners investigate refraction by placing a picture of an arrow behind a glass of water.

free Ages 8 - 14 5 to 10 minutes
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In this activity (on page 2), pairs of learners create an imaginary crime scene. One person leaves the room while the other person moves a few things around.

free Ages 6 - adult 5 to 10 minutes
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This is an activity which will allow learners to gain an understanding of lemur behavior through observation and role play.

free Ages 6 - 14 10 to 30 minutes
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In this fun math activity (page 5 of the pdf), learners will help a secret agent crack a case by solving math problems.

free Ages 8 - 11 30 to 45 minutes
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In this fun and imaginative writing assignment (page nine of the pdf), students will flex the creative side of their brains to learn more about the laws of motion and the scientific process.

free Ages 8 - 11 45 to 60 minutes
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In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).

free Ages 6 - 14 5 to 10 minutes
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In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass.

free Ages 8 - 14 5 to 10 minutes
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How quick are your reflexes? In this online game, you are a hockey goalie defending quick slap shots. Learn about reaction time, muscle memory, and reflexes.

free Ages 8 - 14 Under 5 minutes