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Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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?

Test your friends to find out if you can replicate the placebo effect's incredible results.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Create a self-portrait from natural materials in this collage craft activity!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.