Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

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!

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

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.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Evaluate if people are more influenced by video or audio advertising.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Explore the wattage of microwaves in relevance to cooking time.

In this science fair project, students investigate how different colors influence appetite.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.