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This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea examines the reason boats are shaped and engineered.

This science research project challenges students to think of more effective lobster farming methods.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this design challenge, your child will create a parachute for a small toy using typical household items.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

This easy at-home experiment is a great way to "see" science.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.