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Showing Results for length

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Does Length Have an Effect on Speed? 

This science fair project idea explores how length affects the weight a bridge can hold.

Bridge Over Troubled Water

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Perplexing Pendulum

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Ivory Soap Experiment

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Helicopter Seeds

This science fair project idea investigates how color affects temperature.

Color And Temperature

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Third-Class Levers in the Human Body

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Measure the Moon

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

How Important Are Cats' Whiskers?

This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Measuring Magnification

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Explore the Phases of the Moon

This science fair project idea investigates the difference in reaction times between boys and girls.

Reaction Time

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Make Your Own Putter

This science fair project idea explores substances that cause a bubble to last longer.

Soap Bubbles

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Duck Feet

This science fair project idea  investigates how the shape of an object affects drag.

Don't Be A Drag

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Orange Bird Feeder

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Greenhouse Project

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Kokedama

This science fair project examines how seeds hitchhike on animals and clothing.

How Do Seeds Hitchhike?

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Hanging Vase

Learn all about balance and motion as your child designs a corn maze!

Corn Maze STEM Challenge

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What Is a Compound Microscope?

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Polymer Crystals vs. Ice

Find out whether a longer airplane will fly farther or a wider paper airplane.

Does A Longer Paper Airplane Fly Farther than a Wide One?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Popcorn Pumice: Exploring Different Rock Densities

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Capillary Action Experiment

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Barometric Pressure

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Understanding Absorption

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Pumpkin Investigation

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