Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this activity, your child gets to peek behind the curtain of puzzle making as they create their very own "Spot the Differences" game!

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this social emotional learning activity, you will help your child practice mindfulness of emotions, guiding them to create a word search to understand and explain feeling words.

This science fair project idea investigates the difference in reaction times between boys and girls.

For kids who prefer to do homework flopped on a rug, this practical caddy can make all the difference!

In this activity, your child will explore the difference between boredom and curiosity in building greater attentiveness and happiness in the present moment.

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!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project makes learning the difference between warm and cool colors easy and fun. And it's a great intro to complimentary colors - great for pop art!

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.

On Martin Luther King Day, help your third grader create an original "scratch art" card to thank a person who has made a difference in his life.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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

Find out which kind of bubble wrap fares best when put in impact.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Find out whether putting something on top of a plant will inhibit its growth.

How powerful is the reaction between baking soda and vinegar? Find out here!

Do different types of oil mix or stack? Find out in this science fair project idea!

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Explore the world from your own home by conducting research about other cultures with your 4th grade child.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

How many ways can Christmas fun "add up"? Download this fourth grade math worksheet and find out!