Test whether plants can grow without sunlight and water.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Learn whether writing things down really makes things easier to remember.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea determines if the color of light affects the growth of plants.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Make sourdough bread...and learn some colonial history and modern science in the process!

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.