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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Use a dichotomous key to identify plants or animals.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

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

The objective of this science project is to investigate patterns in fingerprints among family members.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

This activity with add some fun and education to long car trips. Perfect for family vacations!

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?