Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project idea produces varying pitches of sound.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea examines which type of insulation holds in the most heat.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

This science fair project idea assesses the effect of music on work performance.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project researches the most effective method to cut an onion and stay tear-free.

This science fair project idea examines whether people can decode scrambled messages.

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.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

This experiment will explore the best way to create a perfect soft-boiled egg.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.