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Showing results 261 to 280 of 472

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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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Learners place water and part of an antacid tablet in a film canister. The reaction creates a gas reaction that launches the film canister like a rocket.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this activity, learners will make predictions and experiment with different objects to see if they sink or float.

1 cent - $1 per group Ages 4 - 6 10 to 30 minutes
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This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the Nutrien

free Ages 14 - 18 1 to 2 hours
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In this optics activity, learners explore how light bends and affects what we see.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In the kitchen, learners can perform their own density investigation.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this optics activity, learners use water to make a coin "appear" and "disappear." Use this activity to demonstrate how light refracts and introduce light as waves.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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Make a quick and easy filter from household materials. A filter will catch any solids suspended in a liquid and filter them out. By using a filter, learners can discover amazing things.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners investigate the properties of plastic bags. Learners find out what happens when they slowly push a pencil through a plastic bag filled with water.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity about magnetism (page 13 of the pdf), learners will experiment with magnets to explore how water and other liquids affect the strength of magnetic fields.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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Young learners investigate and observe the properties of three liquids -- water, vegetable oil, and corn syrup. They use their senses to collect data and ask and answer questions.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners will explore globes of frozen water to learn how to ask and then answer 'investigable' questions. The activity web page includes a short video demonstration.

$1 - $5 per group Ages 8 - adult 45 to 60 minutes
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In this activity, learners explore the real science behind an egg drop "magic trick." Learners will wow their families by harnessing gravity, friction and motion to make 3 eggs fall off of their pedes

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.

free Ages 4 - adult Under 5 minutes
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In this activity, learners will experiment with different materials that can melt and change ice.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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In this activity, learners mix water, cooking oil, and liquid food coloring to create beautiful colored designs in a cup. Use this activity to explore liquid density and solubility.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes