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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.

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

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

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

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This science fair project idea examines which type of insulation holds in the most heat.

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

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

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.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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!

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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