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Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

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

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

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

The objective of this science project is to determine the length of time for different seeds to germinate.