Knowledge
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What is the device that makes alternating current called?
Generator. A generator converts mechanical energy to electrical energy.
How far do you need to walk at 5 mph to burn off 385 calories?
2.5 Miles. A calorie is the unit of energy it takes to raise the temperature of a gram of water by one degree Celsius.
Which of the following is a non-metric unit for weight?
Pound. In the system of British weights and measures. a pound is 16 ounces or 7000 grains.
What material resists electron flow?
Insulator. An insulator is any substance that blocks or retards the flow of electrical or thermal currents.
What is the main place that the salts in ocean water come from?
Rocks On Land. Water and acids erode rocks, which contain sodium, which eventually washes to the seas.
Which is the process of placing plants in a certain way in an area?
Landscaping. Landscaping is activity that modifies the visible features of an area, including flora and fauna.
What is another name for a "shadow clock"?
Sundial. The simplest shadow clock is simply a vertical stick.
Which one of these activities are a part of a plant's life cycle?
Sprouting. "Sprouting" is the germination of the plant's seed.
Which of these animals is extinct?
Triceratops. The Triceratops was preyed upon by the Tyrannosaurus.
Which element makes up 50% of the earth's crust?
Oxygen. Oxygen is first on land, second in air, and second in water.
Distance equals speed times what?
Time. Time is shown in equations as "t".
In which city did John Lining become the first person in the U.S. to collect weather data?
Charleston, SC. A resident of Charleston, SC, Lining kept precise weather records.
What is the theory that describes how the continents got where they are today?
Continental Drift Theory. The continental drift theory poses that there was one super continent called Pangaea.
What is water in its solid form called?
Ice. Ice is the most abundant of the varying solid phases on the Earth's surface.
What valuable metal is found in the oceans but is expensive to extract?
Gold. Gold provides the standard for most monetary policies.
Which aeronautical term is an aircraft that derives its lift from rotating lifting surfaces?
Rotorcraft. A rotorcraft uses lift created by rotor blades.
Where is the type location for the Permian Period?
Russia. The finback pelycosaurs was the dominant animal during the early Permian age.
What is a "kapok"?
A Tree. Kapok is used as filling for lifejackets, mattresses and pillows.
How many seconds does it take for the blood to make one complete circuit of the human body?
60 Sec. A healthy human heart beats 115,200 times in a 24-hour period.
How many chromosomes does a typical human body cell have?
46. "Trisome" or "trisomy" is the condition of having an extra chromosome on one of the 23 pairs.
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