In this project, you will observe and record changes in sunspots over two weeks.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This experiment examines if space objects become round after reaching a certain mass.

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 science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

This project concerns activity happening millions of miles away, on the sun.

This science project examines the thermal properties of several major greenhouse gases.

Explore whether pianists have the tendency to type faster than non-pianists.

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea determines the properties of rainwater and examines the techniques for harvesting rainwater.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

This science fair project idea examines whether boys and girls differ in reflexes.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.