Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

This tactile activity helps kindergarteners learn about texture.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!