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Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

This experiment will explore whether adding different substances to a gel affects its strength.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

This science fair project idea explores whether dogs do look like their owners.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea explores whether white light can be separated into different colors.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.