Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Help your child learn about animal classification with this fun and delicious activity.

In this project students experiment with making music using only glasses of water.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea experiments with spinning color wheels and optical illusions.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Construct and experiment with a periscope using reflected light rays to gather an image.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Make a spring collage with your child to get them outside and those creative juices flowing!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!