Ninth Grade Projects, Lessons, Activities (Page 26)

Explore How Chromatography Can Unmix Mixtures

Science Fair Project Idea

Scientific Method

Did you know that mixtures can be unmixed? Chromatography is an analytical technique in chemistry to separate mixtures and identify each of its individual compounds. In this project, you will separate ink dyes found in different markers using a strip of paper, chalk and different liquids. By comparing different chromatography substrates and solvents, you will learn how different attractive forces between substances can affect the separation of a mixture into its individual components. Read more

Fishing Line Strength

Science Fair Project Idea

Scientific Method

If you like to fish and you'd rather not be telling the story of "the one that got away," then this is a project for you. What combination of properties makes for the best fishing line? Here are some suggestions for getting started on your background research into fishing line properties: knot strength, abrasion strength, shock strength, tensile strength, limpness, controlled stretch, and desired range of visibility (Dodson, 2006). Choose the properties that you think are most important, and… Read more

Fuel Cells—Fueling the Future!

Science Fair Project Idea

Scientific Method

You probably know that turning off the lights and the water, and not wasting paper are all ways to help the environment and conserve our resources. Did you know that another way is to use fuel cells? A fuel cell is a device that converts the energy in chemicals to electricity and it creates no pollution. The starting chemical does not have to be something complex — in fact you it can even be water! In this science fair project try your own hand at converting water to electricity with the… Read more

Genetically Modified Foods

Science Fair Project Idea

Scientific Method

Genetically modified organisms (GMOs) are organisms whose DNA have been manipulated to give them new traits. In genetically modified (GM) food crops traits like resistance to drought or pesticide might be added, or the crop may have been made more nutritious, or the taste may be altered to give you something like the impossible burger. Are there GMOs in your favorite foods? Many countries have implemented or are in the process of implementing GMO labeling on foods, but with a little bit of… Read more

Getting a Bang Out of Breath Spray: Studying the Chemistry and Physics of a Small Explosion

Science Fair Project Idea

Scientific Method

Hold onto your hats! In this science fair project, you will make a device that sends a film canister across the room with a small chemical explosion. The energy for the explosion is derived from the combustion of ethanol. You will determine the launch velocity of the canister, as well as devise ways to study changes in gas pressure and volume due to the explosion. This science fair project is sure to take your breath away! Read more

Grow Vegan Kombucha Leather

Science Fair Project Idea

Scientific Method

Do you love the look and feel of leather? Many luxury items like handbags, belts, wallets, and coats are made from leather. What if you could make your own vegan leather in a few weeks? Could it be a greener, more sustainable option than cowhide leather? In this science project, you will grow your own vegan leather from kombucha and see how different growing conditions affect the resulting leather. Read more

How Does Dust Affect Solar Panel Power Output?

Science Fair Project Idea

Scientific Method

Scientists can use solar power to provide electricity on the Moon or Mars, but there is one big problem—dust! How does dust cover impact the power output of a solar panel? How could scientists and astronauts mitigate this problem to keep the solar panels producing at their maximum output? Try this science project yourself and find out! Read more

How Does the Number of Parachutes Affect Terminal Velocity?

Science Fair Project Idea

Scientific Method

Have you ever wondered how astronauts land safely back on Earth? Many spaceships use a small crew capsule with multiple large parachutes to bring the astronauts down to a gentle landing either on the ground or in the ocean. What happens if one or more of the parachutes fails to deploy? Can the astronauts still land safely? Find out as you explore the physics of falling with parachutes in this project. Read more

How Flocculation Cleans Up Drinking Water

Science Fair Project Idea

Scientific Method

Your drinking water probably started out brown and muddy. Are you surprised? Maybe you were picturing it flowing from a clean mountain spring instead? All over the world, including in 68% of American homes, people get their drinking water from rivers, lakes, and other surface waters. This water is filled with dirt, debris, and other contaminants as it travels hundreds of miles. So, how does your drinking water go from brown and muddy to crystal clear? Often, flocculants—substances that… Read more

Magnetic Levitation: Experiments with 'Anti-magnets'

Science Fair Project Idea

Scientific Method

What happens if you hold a magnet next to water? You might think that water is not affected by magnetism, but in fact, the water is slightly repelled. Believe it or not, if the magnet is strong enough, you can use this effect to levitate objects that contain water, including insects and even small frogs! In this science project, you will learn about diamagnetism. Materials that are repelled by both poles of a magnet are called diamagnetic. The magnets you will use are not strong enough to float… Read more

Ninth Grade Projects, Lessons, Activities (792 results)

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