What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this project children practice the scientific method while playing with puffy paint.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project idea investigates how the shape of an object affects drag.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

In this experiment we will be determining whether birds prefer certain colors of seed.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Cleaning can be a chore, but not with this sudsy experiment!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

The purpose of this science fair project is to build a basic radio.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.