Knowledge
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What was the first probe to land on Venus?
Venera 9. The Russian built Venera 9 landed on Venus in 1975.
What is the movement of particles across a cell membrane by diffusion called?
Passive Transport. Passive transport, unlike active transport, does not involve any chemical energy.
What fraction of the Earth do oceans cover?
Three-Fourths. The world's oceans contain about 326 million trillion gallons of water.
What is the largest crocodilian in the world?
Saltwater Crocodile. The Saltwater Crocodile is the largest reptile in the world.
What simple line drawings do people use to represent the electric flow?
Circuit Diagrams. The body is 70% water and a good conductor of electricity, which is a good reason not to touch electric appliances when we're wet.
What is the full name for CFCs?
Chlorofluorocarbons. "Freon" is a registered trademark for DuPont's brand of chlorofluorocarbons.
What is the term given to heat and light radiated from the sun?
Solar Energy. When solar energy passes through the Earth's atmosphere, six percent of it is reflected and 16% of it is absorbed.
What type of cloud is fog?
Stratus. Nephology is the study of clouds and cloud formation.
What constant is equivalent to 96,485 coulombs per mole of electrons?
Faraday. Michael Faraday was an English physicist and chemist who discovered electromagnetic induction.
What is the voltage of a AAA alkaline battery?
1.5 Volts. Alessandro Volta invented the volaic pile in 1800.
About how often does Halley's Comet return?
76 Years. Halley's Comet was first seen in 240 BC.
The Bernoulli Effect concerns what physical system?
A Moving Fluid. Bernoulli was a Dutch-Swiss mathematician known for his work in fluid mechanics.
What is the name of the submerged fringe of a continent?
Continental Shelf. The ocean beach is on the continental shelf.
How many orbits did U.S. astronaut Gordon Cooper complete in an Atlas rocket in 1963?
22. Cooper was the first American to sleep while in orbit.
What do we call the dependable winds that rush toward the equator from the north and south?
Trade Winds. The trade winds have been used by captains of sailing and merchant ships for centuries.
The Saffir-Simpson scale measures the strength of what natural phenomenon?
Hurricanes. The Saffir-Simpson scale measures hurricane damage as it relates to wind speed and air pressure.
SALM stands for what?
Single Anchor Leg Mooring. SALM is a type of mooring system for offshore petroleum discharge.
What event happened when water droplets were on a spider's web but it hadn't rained?
Condensation. Condensation converts vapor to a liquid.
Who was the head of the German version of the Manhattan Project?
Werner Heisenberg. Werner Heisenberg failed to produce an atomic bomb for Germany before the war ended, and was held in England for some time thereafter.
Which order is correct for the seasons of the year?
Winter, Spring, Summer, Fall. Seasons are due to the revolution of the Earth around the Sun, and the tilt of the Earth's axis.
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