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Showing results 241 to 260 of 319
Grow a Garden in a Glove
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Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger.
Lotus Leaf Effect
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This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.
Powder Particulars
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In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.
Zoomers
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In this activity, learners build their own rockets from paper, coffee stirrers, and tape. Learners discover that when anything flies, air pressure is always involved.
Ramps 2: Ramp Builder
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In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together.
Make a Salt Volcano (Lava Lite)
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This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.
Wind Tubes
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In this activity, learners create and experiment with wind tubes. These tubes are a playful and inventive way to explore the effect that moving air has on objects.
Shrinkers
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Visitors use heat to shrink samples of polystyrene. They compare samples from containers that were shaped in different ways during manufacturing.
Concentrate: Concentrations and Reaction Rates
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Visitors incrementally increase the amount of iodate in three different test tubes containing the same amount of a starch solution.
The Rain Man
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In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.
Density Rainbows
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In this activity, learners explore the concept of density by pouring 5 different liquids into a jar. Food coloring is added if needed to give each liquid a distinct color.
Find the Best Way to Clean Oil off Bird Feathers
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In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.
Coffee Filter Rainbows
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In this activity about color, learners get to explore the process of chromatography. Right before their eyes, they can watch ordinary green and black ink turn into a literal rainbow of colors.
Carrying Charges: Testing for Conductivity
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Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).
Sweet Speedway
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In this activity, learners test different food items by timing how long it takes each liquid to slide from the top of a ramp to the bottom.
Safe in the Sun
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.
Milli's Insulation Investigation
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In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.
Good Stress
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In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.
Mummy Magic
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Make your own mummy! Using a combination of salts, transform an apple into a mummy and discover how the Ancient Egyptians used drying as one step in the mummification process.
Save Your Skin
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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.