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

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

This surprisingly good glue recipe comes from common kitchen items.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Determine how good we are at direct and indirect observation.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea determines what household items are good conductors of electricity.

Plants and light seem to be good buddies, but how far does the friendship really go?

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair project idea compares the cuteness reaction between genders.

Explore the negative and positive consequences of stereotypes.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Make an edible play dough with your child to help her develop her sensory and motor skills.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.