In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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).

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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!

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

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.

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!