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Hot and Cold
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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.
The Liquid Rainbow
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.
Gummy Shapes
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In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.
Exploring Liquids
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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.
Waterproof Hanky
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In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.
Film Canister Farming
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In this hands-on botany activity, learners sprout vegetables in film canisters.
Pace-Off!
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In this math activity, learners use non-standard measurement (paces) to find the distance from one point to another. Learners practice estimating and measuring distances .
Pre-School Ball Run!
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In this activity, learners use cardboard bases and track tubes to make a ball run to explore the properties of mass, force, and motion.
Growing Plants: Track Their Growth
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In this activity, learners will be working with predictions with a time frame of one week, or longer. Start by planting seedlings.
Magic Wand Creations
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This is an activity in which learners create magic wands from a variety of materials making their choices by considering what kind of magic they want to make.
Do the Mystery Samples Contain Life?
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.
Habitat Adaptation Matchup
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In this activity, learners work in small groups to match various marine animals with their different environments.
From Here to There
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In this water activity, learners discover ways to move water across the water table.
Planaria Fishing
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In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.
Polymers are Chains (K-2)
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In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.
Big and Little Cups
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In this indoor or outdoor water activity, learners pour water from small cups to large cups and containers. In doing so, they discover water takes the shape of its container.
Temperature Time Warp
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In this activity, learners explore the behavior of cold-blooded animals. Learners discover what happens when they change a fly's temperature.
Five Second Dash
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This is an activity about prediction. How far can you hop in 5 seconds? Could you make it to the door? Across the room? Everyone lines up and tries it.
Plant Parts and Their Diseases
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This exercise is designed to teach young learners the different parts of a plant (root, stems, leaves, flowers, fruit, and seeds), the basic functions of each part, and to show that tiny microscopic o
Our Beautiful World
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In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.