Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Explore the neural and mental mechanisms at play in mental imagery.

Test out various brands of permanent markers to see which one is least water soluble.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Slip some science into storm watching with a homemade rain gauge!

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Learn about the factors that influence group conformity.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.