Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Determine if gender affects the ability to identify different smells.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this science fair project, students use the streak test to tell minerals apart from each other.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates the hardness property of minerals.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project teaches students the differences between fruits and vegetables.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.