Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Find out whether matching resonant frequencies can cause objects to shatter.

This science fair project investigates why the number of visible stars changes from place to place.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This experiment will explore whether adding different substances to a gel affects its strength.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Compare the ignition rates of various types of flame-retardant materials.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea investigates how the shape of an object affects drag.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

This experiment will explore if and where fractals can be found in the natural world.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!