This science fair project idea investigates whether air has mass and weight.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Help Mother's Day feel special for weeks and months ahead, while giving your child some good writing practice, too.

Research shows that when we focus on things we are grateful for, we literally rewire our brains to focus on the positive. Help kids experience the joy of gratitude by creating trees that give thanks.

Help your child make a beautiful homemade sandcastle that will last!

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

Here's a tasty summer holiday treat: oatmeal chocolate chip cookie sandwiches filled with cinnamon ice cream.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this parts of speech fall scavenger hunt, kids will search for all the hidden leaves, sort them into parts of speech categories, and then practice creating their own sentences using the words they find.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Help your fourth grade scientist practice measurement, and make a scrumptious, healthy summer cheesecake in the process!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This Where the Wild Things Are costume will make your little wild thing look just like Max. This Where the Wild Things Are costume is surprisingly easy to make.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.