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

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.

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

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 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.

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.

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.

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!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Young scientists develop a hypothesis, conduct an experiment, and then revise their hypothesis to find out which common household liquids dissolve candy corn.

Send your child on an online hunt where he will practice working with search engines and use his reading comprehension skills to find specific information.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Even if sweet potatoes aren't your kid's favorite, try topping them with fluffy marshmallows -- it will be tough to find a child who can resist!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.