What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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

This project is about after-images and what possibly affects them.

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.

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

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This science fair project idea identifies and understands adaptations in birds.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This science fair experiment examines the relationship between gender, age, and smiling.

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

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The objective of this experiment is to evaluate the effects of acid rain on plants.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.