This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

This science fair project idea measures physical dexterity as a function of temperature.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea investigates how different disinfectants work in killing germs.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

This science fair project idea researches the effects of acid rain on plant growth.

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

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

The objective of this science fair project is to investigate salt water density.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This project examines how temperature affects the volume of gas in balloons.