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

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores how length affects the weight a bridge can hold.

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.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Explore if planting seeds in a certain direction will affect how fast it germinates.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Determine whether butterflies like to drink sugar water, salt water, or plain water.