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Whirling Watcher: Make a Stroboscope
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In this activity, learners make a stroboscope--a spinning disk with slits around the edge that you look through.
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Endangered!
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While playing a game, learners discover how the Endangered Species Act works in the United States. Learners move along a game board by answering questions correctly.
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Exploring Structures: Butterfly
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In this activity, learners investigate how some butterfly wings get their color.
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Magnetic Suction
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In this activity about electricity and magnetism, learners discover how a doorbell works. A coil of wire with current flowing through it forms an electromagnet that acts similar to a bar magnet.
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How the Mushroom Got Its Spots
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In this activity (p.26 of PDF), learners discover why mushrooms have spots. Learners use a balloon, toilet paper, and water to simulate what happens as mushrooms grow.
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Exploring Science Practices: Early Explorations
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This activity gives caregivers and their children an opportunity to practice scientific ways of thinking that are developmentally appropriate for early learners.
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Dissolving a Substance in Different Liquids
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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.
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Candy Chemistry
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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.
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Unlocking the Secret in Product Codes
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In this activity, learners will explore how product barcodes are scanned accurately and be able to "guess" the last number in a 13 digit barcode correctly every time.
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Dancing Cereal
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In this quick activity (on page 2 of the PDF under GPS: Body Electricity Activity), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with static
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Exploring the Solar System: Hide and Seek Moon
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"Exploring the Solar System: Hide and Seek Moon" is an engaging way for early childhood learners to experiment with some of the tools scientists use to study objects that are very, very far away, and
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Ancient Sun Observations
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In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.
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Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.
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Paleontologists: Can You Dig It?
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In this activity, learners explore the work of paleontologists.
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Size it Up
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Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.
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Exploring Ultraviolet (UV) light from the Sun
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In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.
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Single Replacement Micro-Reactions
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In this chemistry activity, learners use common chemicals and metals to explore single replacement reactions.
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Hot Stuff!: Investigation #3
Learners test two jars of ice water, one covered and one open, for changes in temperature. After placing the jars in the sun, learners discover that the covered jar cools down more slowly.
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Hoopster: An Airplane Made from Paper Hoops
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This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!
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Iodine Investigators!
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In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.