Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea produces varying pitches of sound.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This project examines whether people's taste perception is influenced by what they see.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores the egg's thin membrane.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Examine the effect of pressure on carbonation in soda.

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

This science fair project idea identifies trees using a dichotomous key.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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