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

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.

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

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

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

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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.

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

Is your child a young ornithologist in the making?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.