Showing Results for three digit : Page 18

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

A mixture of botany, exploration, Abstract Art and Pop Art color theoryâthis activity never gets dull! Start by exploring outdoors and finish with indoor art.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Free science fair project idea examining how different types of water affect plant germination and growth.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Make sourdough bread...and learn some colonial history and modern science in the process!

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This science fair project idea produces varying pitches of sound.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This project explores ways to prevent static electrical shocks.