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What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Learn whether writing things down really makes things easier to remember.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea assesses the effect of music on work performance.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

In this experiment you will use plastic and magnets to test your local soil composition.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

This science fair project idea investigates food preference of birds.