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Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Word color association is just a fancy way to talk about the way we connect colors with words.

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.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.