Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This project will examine the relationship between materials and air resistance.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

In this science fair project, students create their own miniature salt flats at home.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

This science fair project idea investigates food preference of birds.

The project researches how lubricants affect the mechanical advantage of a pulley.

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

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

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science project challenges high school students to study the linguistic evolution of text messaging.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Science fair project that tests whether cats have a preference for organic food.

This science fair project teaches students about wilting and browning of salad greens.