How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea examines liquids of different densities.

This science project allows students to study the psychology of happiness.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science project idea examines the effect of microwaving on various objects.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates how color affects temperature.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The objective of this science project is to determine the length of time for different seeds to germinate.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea investigates whether plants can survive being frozen.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

In this project, several food items are tested to determine whether they contain starch.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.