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High School Science Experiments (top 2,000 results)

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Science Fair Project Idea
Scientific Method
Ocean currents have profound effects on the climates of the continents, especially those regions bordering on the ocean. For example, the Gulf Stream (a warm current that goes around the North Atlantic Ocean) is thought to make northwest Europe much warmer than it would otherwise be. Similarly, the California Current is thought to keep Hawaii cooler than other land masses at the same latitude as it. In this ocean science fair project, you will model the behavior of these "rivers" of hot and… Read more
Blog Post
In this week's spotlight: an ocean sciences activity that helps families better visualize how ocean currents move. What does temperature have to do with the speed and direction of ocean currents? Make your own mini ocean model and find out! Ocean Currents: Modeling the 'Global Conveyor Belt' in Your Kitchen (full Science Buddies project idea) Seawater Science: Model Ocean Currents in Your Kitchen (science activity at Scientific American) Read more
Science Fair Project Idea
Scientific Method
No one can deny the devastating consequences of an oil spill on the local wildlife. Oil affects all levels of the ecosystem, from plants to fish and birds. What happens to water plants if you add motor oil to their pot? What is the effect of motor oil on the health of a goldfish, or water insects? What happens to the barbs of a bird feather if they are dipped in oil? Can you test different types of environmentally-friendly detergents for cleaning the bird feathers? Can you test different… Read more
Science Fair Project Idea
Scientific Method
How do you turn a 2-dimensional piece of paper into a 3-dimensional work of art? Origami, the classical art of Japanese paper folding, is loaded with mathematical themes and concepts. What are the common folds in origami, and how do they combine to create 3-dimensional structure? Can you classify different types of origami into classes based upon the types of folds they use? Can you show Kawasaki's Theorem, that if you add up the angle measurements of every other angle around a point, the sum… Read more
Science Fair Project Idea
Scientific Method
The ozone layer is important for blocking most of the harmful radiation that comes from the sun. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. Where are the problem areas? Is there a difference in ozone coverage between different hemispheres? Between populated and un-populated areas? In atmospheric regions over land masses or over bodies of water? Some scientists think that aerosols in the air are breaking down the ozone layer. You can do… Read more
Science Fair Project Idea
Scientific Method
Did you know that people eat with their eyes as well as with their mouths? Food presentation—also called plating techniques or garnishing—makes food appear more appetizing. Checking out how the food looks is the cook's last task and the diner's first. Food that is well-presented is beautiful, colorful, and captivating. Not only does it make the diner really want to eat, but good presentation also allows the diner to identify the food ingredients, their quality, and the technique… Read more
Science Fair Project Idea
Scientific Method
No matter what your favorite card game is, we all wish we could use psychic powers to draw the card we want on our turn. You may not have psychic powers, but you might have the power of probability on your side. In this science project, you will discover how math can help you avoid the words, "Go fish!" Read more
Blog Post
In this week's spotlight: a video and computer games project and family activity that lets you investigate how the number of pixels used to create a video game object determines how it will look in the game. If you compare older games to new ones, you probably see a big difference in how the characters look today. Which look better? Do you know why? The number of pixels used in creating the images has a lot to do with the differences you see. In this… Read more
Science Fair Project Idea
Scientific Method
Have you ever had fun making different figures or colorful creations using some Play-Doh? You can squish and stretch a single piece of Play-Doh® to make all sorts of shapes. How does changing the shape of a piece of Play-Doh affect its volume? In this science project, you will find out by testing how changing a piece of dough's shape affects its dimensions (length, width, and height), and how these changes are related to the dough's volume. Read more
Science Fair Project Idea
Scientific Method
Our home, Earth, is a living planet. Earthquakes and volcanic eruptions are proof that the geological forces that shaped our planet and created the land masses are ongoing. An amazing example of geologic activity that is less damaging is a geyser. In this geology science fair project, you will build a model geyser and determine how depth of the source affects how the water is ejected. By the end of this project, you will know a lot more about geysers and understand that a geyser is much more… Read more
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