Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Help your child learn about animal classification with this fun and delicious activity.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Try this chemistry experiment with your curious kid and get some "shocking" results!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.