Famous Scientists
Space
Organs
Units
Elements
100

This inventor is credited with developing the practical incandescent light bulb and held over 1,000 U.S. patents.

Thomas Edison

100

“This planet is known as the Red Planet because of iron oxide on its surface.”

Mars

100

“This organ pumps blood throughout the body.”

The Heart

100

“There are 100 of these in one meter.”

Centimeter

100

What element has the symbol "O"?

Oxygen

200

He invented the telephone in 1876.

Alexander Graham Bell

200

“This is the name of the galaxy that contains our Solar System.”

The Milky Way

200

“These paired organs filter waste from the blood and produce urine.”

The Kidneys

200

“There are 1,000 of these in one kilogram.”

Grams

200

What element has the symbol "Fe"?

Iron

300

Often called the “father of alternating current,” this inventor developed the AC electrical system used worldwide today.

Nikola Tesla

300

“This force keeps planets in orbit around the Sun and the Moon in orbit around Earth.”

Gravity

300

“This organ produces bile and plays a major role in detoxification and metabolism.”

Liver

300

“One mile is approximately 1.6 of these metric distance units.”

Kilometers

300

What element has the symbol "Ne"

Neon

400

This scientist developed the first successful polio vaccine, which was declared safe and effective in 1955.

Jonas Salk

400

“This is the name of the path a planet follows as it travels around the Sun.”

Orbit

400

This organ sits behind the stomach and has both endocrine and exocrine functions, including insulin production.”

The Pancreas

400

To convert degrees Celsius to Fahrenheit, you multiply by 9/5 and then add this number.

32

400

What element has the symbol "F"

Fluorine

500

She discovered radium and was the first woman to win a Nobel Prize.

Marie Curie

500

 “This boundary around a black hole marks the point where not even light can escape.”

What is the event horizon?

500

“This small endocrine organ located posterior to the thyroid regulates calcium levels through parathyroid hormone.”

Parathyroid Glands

500

“This temperature in Fahrenheit is equal to −40 degrees Celsius.”


−40 degrees Fahrenheit

500

What element has the symbol "I"?

Iodine

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