This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this fun activity, your child will create their very own solar oven to bake s'mores!