Search 3rd Grade Science Projects : Page 6

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea explores the egg's thin membrane.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea compares biodiversity between drops of water.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea demonstrates that plants give off water.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea investigates if fats add to the flavor of food.