Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This project compares different liquids and the freezing, melting and boiling points of liquids.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This experiment will explore the possibility of creating an infinite object by hand.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.