Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

This folk art painting lets kids develop watercolor and painting techniques with scenes of everyday life.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This project examines whether more expensive golf balls translate into better results on the golf course.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

It's springtime! Time to get outside and dig! Once seeds go into the ground, invite your child to mark the spot in style.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Your spotlight-loving third or fourth grader will be delighted to play this improvisational game of freeze theater with family or friends.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Your first grader will improve her fine motor skills as she designs her own drum set with recycled household objects and art supplies!

Tell your child you want to work on kindergarten readiness skills and she's not likely to jump up and clap. But turn it into a game and it's a different story.

Make a poster with your child about what she wants to be when she grows up, while helping her practice her writing, researching, and artistic skills.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Here's how to practice order of operation, and help your middle schooler complete her homework in half the time!

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Help your child to invent her own chore-helper to help her put that growing imagination to good use!

This Christmas card holder craft is a great activity for your child. Make a Christmas card holder with your child this holiday season.

Teaching kids that stories have an order is important, despite how fun it is to listen to the tale of the tomato that put on his pajamas and went for a swim.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Make a "magic dough" using only flour, water and food coloring and have the kids guess what color appears.

Try this concrete, hands-on organization system and you can count on more efficient, less stressful evenings this school year.

Help your child stay physically and mentally active with this group aerobic fitness game that's good for the heart and mind alike.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.