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Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Have your child kick off their summer vacation by making a miniature water slide!

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!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.