In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests if dog saliva can really help heal wounds.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This project concerns activity happening millions of miles away, on the sun.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

This science fair project idea explores the different properties & interactions of sugar molecules.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.