Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Determine which metal has the highest rate of conductivity.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

This project examines whether and what associations exist between numbers and letters and colors.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

This science fair project idea determines which flower lasts the longest.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.