Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Science fair project that explores the natural process of limestone formation.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

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.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

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

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

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea will be examining oxidation and acid rain

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

This science fair project idea determines the most effective method of preserving food.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

People have favorite flavors, but what about ants? Which ant food is the most popular?

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.