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Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This science fair project will help students learn about non-vascular plants, such as mosses.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Do you think heat can affect a plant's growth rate?