Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Improve your preschooler's knowledge of the alphabet by playing games with your own homemade wooden letters!

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Explore the positive and negative shapes of a piece of fruit or a vegetable by doing a contour cut-out drawing.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

This science fair project idea investigates whether air has mass and weight.

What better way to remember the achievements of past U.S. Presidents than with a game of memory!

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Teach your fourth grader foreshortening, a type of visual perspective in art with this fun and easy activity!

In this project, different childproof containers are tested to see how childproof they really are.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Celebrate Kwanzaa with your fourth grader, or introduce them to a new cultural practice, by showing them how to weave a Kwanzaa mat out of an ordinary paper bag!

Help your child discover the difference between his wants and needs using this poster.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

A fingerprint heart is a lovely craft for little hands to make on Valentine's Day. Create a glittering fingerprint heart with your child this Valentine's Day.

What better way to care for the earth than to create a Call to Action plan for the entire family?

Race to create an equation in this game will help your child and his opponents get creative with addition, subtraction and multiplication.

What happens when colored beams of light mix? You might be surprised.

Sponges are easy to handle and fun to play with, and your child will love putting these simple, three-piece puzzles together.

Looking for a last minute gift? This homemade candle holder is a breeze to make, and its pretty glow really brightens up a room. A great craft project.

Find out if most people can distinguish the difference between tones on different instruments.

Using hard boiled eggs, leaves and tempera paint, your child can create a delicate garden print decoration on Easter eggs.

Create this homemade slinky snake from recycled materials. It can move and slither about like the real thing!

Want a graduation memento that you can actually use? Create a signature graduation keepsake plate that is easy to make, inexpensive, and useful!

Do you hear "I forgot" more often than you would like? Give your kid a reason to remember to wash the dishes with a fun and colorful chore checklist!

Practice counting to 100 independently with this American flag craft project! 

Preschoolers need to practice hopping, skipping, and other "gross motor" skills. Why not make it fun by challenging them to move like their favorite animals?