This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Examine whether males or females are more likely to have a higher center of gravity.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This project examines the concentration of dissolved oxygen in water, with and without oil.

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

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 examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea explores substances that cause a bubble to last longer.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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.

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

This experiment will explore whether adding different substances to a gel affects its strength.

Think about the adaptive utility of an important aspect of our physiology.

This science fair project idea tests the efficiency of short term memory.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.