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When you look into the night sky, you may notice that the stars flicker or twinkle; their light does not appear to be constant. This is not caused by inherent properties of the stars themselves. Instead, the Earth’s atmosphere bends…
An irrational number isn’t as scary as it sounds; it’s just a number that can’t be expressed as a simple fraction or, to put it another way, an irrational number is a never-ending decimal that continues an infinite number of…
From the cleanliness of a dog’s mouth to determining which paw your dog favors offer notable ways to create a science fair project with a dog that is both informative and entertaining. Well-trained dogs make for wonderful test subjects because…
Humanity takes from the Earth every day, and has always done so. From sipping from streams to pulling stone and wood from the earth, to the modern extraction of oil — human life and culture can only thrive because of…
In the sciences, the “tools” for measuring the volumes of liquids are generally made from glass, plastic or occasionally metal, although professionals referred to all of them as “glassware.” Scientists, and chemists in particular, have a variety of glassware at…
There are several white spiders in Florida. Ghost spiders (Anyphaenidae family) are nearly all white. Others, like the Florida crab spider (Gasteracantha cancriformis), humpbacked orb weaver (Eustala anastera) and tropical orb weaver (Eriophora ravilla) have distinct white markings. Crab Spider…
The word “tundra” comes from a Lappish word meaning “treeless land” or “barren land”. Most of the tundra biome’s 3.3 million square miles is located in the Arctic region of the world, above the northernmost limit for tree growth. Even…
You can calculate the force and action of pulley systems through the application of Newton’s laws of motion. The second law works with force and acceleration; the third law indicates the direction of forces and how the force of tension…
When you study mathematics, it can be helpful to use familiar objects to understand how to solve a problem. For example, you might need to learn how to calculate the volume of a sphere. It’s likely that you have access…
“Turbidity” is a word describing how light passes through a sample of liquid as a measure of how many particles are suspended in that liquid. For example, light will pass straight through pure water, and as a result the water…
