Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Free science fair project idea examining how different types of water affect plant germination and growth.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

Find out whether matte or shiny nail polish lasts longer.

This variation on the game of tag combines exercise, teamwork, and a little friendly trickery.

Help your preschooler or preschooler with shape recognition, math, and matching by creating your own personal shapes cards, good for home or car.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Make physical activity fun with this 4th-5th grade fitness game that's a twist on classic Tic-Tac-Toe.

Oragami Christmas ornaments make a beautiful addition to your family's tree. Make origami Christmas ornaments out of old wrapping paper this holiday season.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Plan ahead for summer, by constructing a holiday calendar with your child. A great way to teach kids about time!

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Shed some "light" on the Chinese culture while brightening up your home. Teach your child the Chinese character for good luck with this lantern craft.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Let your imagination take flight as you explore the beautiful continent of Africa! Do this fun writing activity with your child to honor Black History Month.

Here's a fun Fourth of July craft that will delight kids of many ages.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

In this activity, your child fills jars with water to learn about acoustics, and practices mixing colors to form a rainbow of colors and sounds.

Build your child's social studies skills by making a map together.

Make your own picture frame! Show your fourth grader how to construct the an adorable, decorative picture frame for her favorite photo.

Playing doctor is not only fun, it's also a way to teach kids about the parts of the body and how they are spelled.

Plant a mini herb garden and teach your child about science and nature.

Science fair project that creates fog using bottles of hot and cold water.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

This DIY menorah will make a beautiful addition to your Hanukkah celebrations. Make a DIY menorah with your child this winter.

Let your child find her place among the politicians, the flyers, the debates and the countless television ads with a slogan and poster of her very own.

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).

Using paper plates, have the kids make these fun animal masks and your house will be transformed into a jungle.