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Showing results 461 to 480 of 573

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In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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Over the course of several days, learners explore the property of water that helps plants move water from roots to leaves or gives paper towels the capacity to soak up water.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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This is a fun activity about the power of the Sun and the importance of using sunscreen to protect your sensitive skin from its rays.

$1 - $5 per student Ages 4 - 11 4 to 24 hours
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In this simple activity (on page 2 of the PDF), learners make a crystal garden using salt, water, and a brick.

$1 - $5 per student Ages 6 - 14 1 to 7 days
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In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled tapioca.

$1 - $5 per student Ages 4 - 14 4 to 24 hours
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In this biology activity, learners recreate the process of digestion in a zip lock bag. A bit of soda pop added to some crumbled crackers approximates how acids in the stomach dissolve food.

1 cent - $1 per student Ages 8 - 11 5 to 10 minutes
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Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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This activity introduces learners to the structure and properties of carbon nanotubes.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.

$1 - $5 per group Ages 6 - 14 4 to 24 hours
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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.

1 cent - $1 per student Ages 4 - 14 1 to 4 weeks
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In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties).

1 cent - $1 per student Ages 6 - 14 1 to 7 days
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners investigate the impact of oil pollution on the environment and wildlife. Learners use hard-boiled eggs and feathers to understand the damage that oil spills can cause.

$5 - $10 per group Ages 8 - 11 1 to 7 days
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In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.

1 cent - $1 per student Ages 4 - 11 45 to 60 minutes
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In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners investigate the properties of graphene and graphite.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
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In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes