Discover whether people can distinguish what a person looks like just by listening to their voice.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This experiment investigates whether there are certain sounds that affect men and women differently

The project researches how lubricants affect the mechanical advantage of a pulley.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Investigate which substances are most effective at removing salt from water.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Find out if most people can distinguish the difference between tones on different instruments.

In this project children practice the scientific method while playing with puffy paint.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Demonstrate which cooking method gets rid of the most fat.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

This experiment evaluates if personality affects the type of movies that people prefer.

Discover how and which salt melts ice the quickest.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Help your tween un-clutter her room with this fun project! Recycle and old pair of jeans and make an organizer to hang on the wall.