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.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

This project compares the strength of one, two, and three-ply toilet paper.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

The goal of this project is to create an exciting topographical map out of dough.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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!

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.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!