Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

This simple Veterans Day craft is a great way to have your kid work on her drawing skills and put her vocabulary to the test too!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Put your kid's Internet research skills to the test with this activity that will help him learn more about the history and cultural significance of fireworks.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Test your learner's knowledge of Barack Obama by challenging your child to complete a crossword puzzle about the President after reading a short biography.

Are you sneaky, sneaky? You'll have to be when your play this fun game involving squirt guns and blindfolds that'll test your child's stealth.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Kids put their geography knowledge to the test in this balloon volley game inspired by the Dr. Seuss book "Oh the Places You'll Go".

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Improve your child's memory, focus, and concentration with this outdoor group memory game. For 4th grade, 5th grade, and middle school age children.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Work on division with remainders in this fun fourth grade math board game.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Practice multiplication facts by playing baseball in this fun, third grade math board game.