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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Celebrate the new year by making a memory book with your child! You'll reinforce time and calendar concepts and you'll get to reminisce about the past year.

Chinese New Year is a time when many different luck-bringing rituals are performed. In this activity your child will create a lucky trinket.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

Compound words get easier if kids can spot two smaller words that they already know inside. Add some fun to the process with this card game!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Want to turn your child into an expert orator, but don't know how to rid him of the middle school mumbles? Try this activity to get your child to speak up!

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This hands-on activity gets first grade kids brainstorming about what needs change in the world, and how they can help.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Start your toy engines -- this is going to be a fast and friction-filled race!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This treasure hunt gets kids comfortable using the dictionary, and makes looking up words a lot of fun!

Here's a fun activity that will give your child a way to develop his sentences, making them more detailed and interesting.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Kids think of 25 ways to live healthier, more active lives and come up with a plan to put into action in this middle school heath activity.

For a fun activity that will have lasting effects, make this time capsule with your high school child, to be opened after college graduation.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

By using your child's own activity schedule, you can strengthen his understanding of elapsed time, and get him organized along the way!