In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea examines liquids of different densities.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores whether white light can be separated into different colors.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea investigates how color affects temperature.

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

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

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea explores the different properties of matter.

This science fair project idea identifies trees using a dichotomous key.

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

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

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

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Do different types of oil mix or stack? Find out in this science fair project idea!