In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

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

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This project examines what types of objects burn and which burn faster and cleaner.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This science fair project idea investigates how magnetism can defy the force of gravity.

Help your child learn about animal classification with this fun and delicious activity.

The objective of this science project is to determine the length of time for different seeds to germinate.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

Find out whether putting something on top of a plant will inhibit its growth.

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.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

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.

Find out which type of sponge holds the most water.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.