This science fair project idea identifies trees using a dichotomous key.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

This experiment evaluates whether motivational music can improve athletic performance.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

This project explores what happens to a rubber band when it is heated and cooled.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.