Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Help your child add some flair to the family garden with pencil pinwheels!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Make a backbone model to explore human anatomy and life science.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Try this chemistry experiment with your curious kid and get some "shocking" results!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Help your child make a beautiful homemade sandcastle that will last!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Make edible amber fossils with your second grader to explore the fascinating world of science!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.