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This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Investigate which substances are most effective at removing salt from water.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Use pepper and soap to discover some fun facts about the properties of water.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

In this science fair project, students examine how temperature affects sugar transport within a plant.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This science fair project examines the different composition of fungi and plants.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This study observes plants, insects and an animal living in proximity to a known source of EMF.