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Showing results 2021 to 2040 of 2059
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Why is the Sky Purple?
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This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.
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Kicking Machine
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In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.
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Just a Minute
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How much can you do in one minute? In this activity, learners estimate how many times a partner can complete a task (like writing their name or jumping jacks) in one minute.
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Self-Assembly Game
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This is a quick game about self-assembly (page 2 of PDF under Self-Assembly Activity). Like the molecules of DNA, learners will self-assemble into a pattern by following a simple set of rules.
Odd or Even
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In this math activity, learners play a game and try to collect the most cards by guessing if the next number to appear will be odd or even.
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Knee Jerk Reflex (Patellar Reflex)
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In this quick and simple activity about reflexes (third activity on the page), learners conduct a simple test to explore the knee jerk reflex, typically conducted at the doctor's office.
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Telephone Talk
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In this math activity, learners find patterns in telephone numbers.
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Model Well
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In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.
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Afterimage
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In this optics activity, learners investigate afterimages.
Toothpick Patterns
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In this math activity, learners make toothpick designs by following simple patterns.
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Growing Plants
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In this "Sid the Science Kid" activity from Episode 107: My Shrinking Shoes, learners observe how plants change as they grow.
Tip Topper
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In this math activity, learners role-play as wait staff at the Kidtropolis Diner. It's the end of the night and it's time for the staff to collect their tips.
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Achi: A Strange Game of Tic Tac Toe
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In this game, learners strategize to be the first player to make three in a row.
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Hot Spoons
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In this physics activity (page 2 of the PDF), learners will explore the concept of thermal conductivity and learn the differences between high and low thermal conductivity.
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An Object in Motion
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In this physics activity (page nine of the pdf), learners use balloons to explore how a rocket works. It is suggested they also work to see how they can alter the velocity of the rocket.
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Subtracta's Dog
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In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.
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Jitterbugs
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In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.
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Snake
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In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy.
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Pupil to Pupil
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In this quick and simple activity about reflexes (at the top of the webpage), learners conduct a simple test to explore pupillary response.
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The Braille Alphabet
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In this activity (8th activity on the page) about the sense of touch, learners make their own set of Braille letters. Learners use glue to make raised dots on a Braille Alphabet Sheet.