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In this math lesson (on Page 13), learners predict and simulate the likelihood of an event occurring.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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In this math lesson, learners extend their understanding of basic probability concepts as they learn to name all of the possible outcomes of an event as well as ways to express the likelihood of such

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.

free Ages 8 - 14 45 to 60 minutes
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Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this activity (page 18 of PDF), learners will measure the volume of impact craters created by projectiles of different masses.

$10 - $20 per student Ages 8 - 14 45 to 60 minutes
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In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this classic memory game (on pages 37-45 of PDF), learners turn over tiles to reveal images on the back.

1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
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This activity (located on page 3 of the PDF under GPS: Temperate Rain Forest Activity) is a full inquiry investigation into tree growth rates.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.

$10 - $20 per group Ages 4 - 14 45 to 60 minutes
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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This is a series of quick activities/demos and pre-assessment tools that evaluate learners' current understanding of microbes and introduce them to basic information about microbes.

Over $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.

free Ages 11 - 18 45 to 60 minutes
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In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners work in groups to create a time line representing significant moments in their lives.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes