Venera 9. The Russian built Venera 9 landed on Venus in 1975.
Passive Transport. Passive transport, unlike active transport, does not involve any chemical energy.
Three-Fourths. The world's oceans contain about 326 million trillion gallons of water.
Saltwater Crocodile. The Saltwater Crocodile is the largest reptile in the world.
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.
Chlorofluorocarbons. "Freon" is a registered trademark for DuPont's brand of chlorofluorocarbons.
Solar Energy. When solar energy passes through the Earth's atmosphere, six percent of it is reflected and 16% of it is absorbed.
Stratus. Nephology is the study of clouds and cloud formation.
Faraday. Michael Faraday was an English physicist and chemist who discovered electromagnetic induction.
1.5 Volts. Alessandro Volta invented the volaic pile in 1800.
76 Years. Halley's Comet was first seen in 240 BC.
A Moving Fluid. Bernoulli was a Dutch-Swiss mathematician known for his work in fluid mechanics.
Continental Shelf. The ocean beach is on the continental shelf.
22. Cooper was the first American to sleep while in orbit.
Trade Winds. The trade winds have been used by captains of sailing and merchant ships for centuries.
Hurricanes. The Saffir-Simpson scale measures hurricane damage as it relates to wind speed and air pressure.
Single Anchor Leg Mooring. SALM is a type of mooring system for offshore petroleum discharge.
Condensation. Condensation converts vapor to a liquid.
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.
Winter, Spring, Summer, Fall. Seasons are due to the revolution of the Earth around the Sun, and the tilt of the Earth's axis.