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Extras

Learn more about your science experiments! Watch how-to videos, print material lists, and read extra tips.

Forensic Science

Did you know? Czech scientist Jan Evangelista Purkynje is credited with the first system of classifying fingerprints in the 1800s. He identified 9 fingerprint patterns!

Caves & Crystals

Did you know? In the U.S. and Canada, caving is also known as spelunking. In Ireland and the U.K, it’s commonly known as potholing

Stars & Planets

Did you know? There are 24 hours in one day on Earth, but only 9 hours and 55 minutes in one of Jupiter’s! Jupiter rotates at a much faster speed (28,273 miles/hour) compared to Earth (1,037 miles/hour).

Hydrology

Did you know? Liquid water cannot form on the Moon, but NASA’s radars discovered deposits of ice, called lunar ice, in the craters of the Moon’s poles.

Vision & Optics

Did you know? A newborn baby’s eyes cannot produce tears or see colors. When they cry, they make noises, but tears don’t form until they are 4 to 13 weeks old. Around 5 months of age, they begin to see colors!

Aerodynamics

Did you know? Hundreds of years ago, rockets were used to make fireworks for celebrations in China.

Solar Energy

Did you know? The Sun generates most of the heat on Earth. Without it, the Earth would reach -400 degrees Fahrenheit.

Elevators & Trams

Did you know? Listening to music in elevators became popular in the 1920s because first-time passengers were frightened to ride in the machine.

Bones

Did you know? The thighbone, or femur, is the longest bone in the body. The stapes in the middle ear is the shortest, measuring just around a tenth of an inch.

Buoyancy

Did you know? Cans of diet soda often float, while their regular soda counterparts sink. The higher sugar content of regular soda makes it denser than water, causing the can to sink.

Acrobatics & Balance

Did you know? “Acrobatics” comes from the Greek word “akrobatos” (“to go to the highest point”), but the practice of this performing art dates back over 2,500 years, originating in ancient China.

Sound

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