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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Here's a pumpkin nut bread recipe that makes for a wonderful project on a crisp autumn afternoon.

A tall glass of lemonade is the perfect summer treat. Make it even better with these creative twists on classic lemonade!

Make “teal the new orange” this Halloween season! Help your child learn about the Teal Pumpkin Project and paint the color teal on a pumpkin to advertise that your family will offer non-food toys as a treat, or “trinket” option.

These gingerbread cookies can be baked by your third grader. Make a warm batch of gingerbread cookies to bring some extra holiday cheer to your home.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Make a backbone model to explore human anatomy and life science.

Challenge your third grader and a few friends to teamwork and laughs with these boisterous indoor Christmas games.

Help your child create an autumn poem full of colorful sensory details.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Enjoy the season of crunchy leaves and crisp harvest scents with a tall glass of pumpkin juice.

Defend your cards in this multiplication math game! Your kid will enjoy using strategy to build equations and win points in this activity.

This science fair project teaches students about wilting and browning of salad greens.

In this experiment we will be determining whether birds prefer certain colors of seed.

This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.