Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Here's a simple, fun activity which will save you time and reinforce your child's math skills along the way.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This St. Patrick's day, stretch your child's social studies and math skills with this fun, cooperative learning game.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Make sourdough bread...and learn some colonial history and modern science in the process!

Analyze this simple betting game with your fourth grade student in order to discuss probability.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.