Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

Do different types of oil mix or stack? Find out in this science fair project idea!

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

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project idea examines the reason boats are shaped and engineered.

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.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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