Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Introduce your child to science with something they see everyday--their shadow!

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.