This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Hunt for natureâs treasure, the many different products made by trees!

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.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Help your child make a beautiful homemade sandcastle that will last!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Word color association is just a fancy way to talk about the way we connect colors with words.