Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

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.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.