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

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

This science fair project examines whether ocean water can be made safe to drink.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.