Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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

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

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Find out whether matte or shiny nail polish lasts longer.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea explores substances that cause a bubble to last longer.

Examine the connection between temperature and chemiluminescence.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.