Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Think about the adaptive utility of an important aspect of our physiology.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

This science fair project idea determines how quickly germs and bacteria spread.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Do you think heat can affect a plant's growth rate?

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.