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100
It is the most common element in the human body... A: Carbon, B: Hydrogen, C: Oxygen, D: Calcium
What is C. Oxygen. It makes up almost 63% of the average human. Following, are major elements and the percentages of the human body that they represent: Oxygen- 62.81% Carbon- 19.37% Hydrogen- 9.31% Nitrogen- 5.14% Sulfur- 0.64% Phosphorus- 0.63% Other- 2.10%
100
These are the only two planets in our solar system without moons... A: Mercury & Venus, B: Venus & Mars, C: Uranus & Neptune, D: Neptune & Pluto
What is A: Mercury & Venus. As far as we know, Saturn has the most moons. Saturn has at least 25 satellites that measure at least 6 miles (10 kilometers) in diameter, and several smaller satellites. The largest of Saturn's satellites, Titan, has a diameter of about 3,200 miles (5,150 kilometers) -- larger than the planets Mercury and Pluto.
100
This type of matter has a definite volume but no definite shape... A: Solids, B: Liquids, C: Gases, D: Plasma
What is B: Liquids. Liquids have a definite volume but no definite shape. Because the intermolecular forces are weak in a liquid, it is able to change its shape to conform to its container.
100
This geologic formation may be found overhead if you are in a cave... A: stalactites B: stalagmites C: mightymites D: termites
What is A: stalactites. The ones growing downward are stalactites, the ones growing upward are stalagmites. Stalactites are formed by the deposition of calcium carbonate and other minerals, which is precipitated from mineralized water solutions.
200
This living animal has the heaviest brain... A: African Bush Elephant, B: Black Rhinoceros, C: Sperm Whale, D: Human
What is C. Sperm Whales. They have the heaviest brain of any living animal. The average Sperm Whale's brain weighs more than 20 pounds (9 kilograms) which is about 4 times heavier than the average human brain.
200
This year boasted the first woman in space... A: 1963, B: 1968, C: 1973, D: 1983
What is A. 1963. The first woman in space was Valentina Vladimirovna Tereshkova in Vostok 6 (U.S.S.R.).
200
This English chemist and physicist discovered hydrogen. A: Sir William Crookes, B: Henry Cavendish, C: Dorothy Hodgkin, D: Bernard Shaw
Who is B: Henry Cavendish. This English chemist and physicist not only discovered hydrogen, but also determined the mass of the Earth.
200
This type of water weighs the most... A: seawater B: distilled water C: tap water D: none - They all have the same weight.
What is A: sea water. It is loaded with mineral salts and weighs about a pound and a half more per cubic foot than fresh water at the same temperature.
300
Of the following, it has the longest recorded life span. A: Termite, B: Chimpanzee, C: Indian Elephant, D: Freshwater Oyster
What is the Freshwater Oyster (80 years.) The longest recorded life span for a termite is 50 years; for a chimapanzee, 50 years; and for an Indian elephant, 70 years.
300
The three main parts of a comet are the nucleus, the tail, and the _____. A: Zenith, B: Umbra, C: Radiant, D: Coma
What is D. Coma. The coma consists of gases and dust around the nucleus.
300
Matter that does not enter chemical reactions is described as this... A: Inhibited, B: Inert, C: Grounded, D: Radioactive
What is B: Inert. Inert matter does not enter chemical reactions.
300
This is the hardest naturally occurring substance... A: emerald B: tourmaline C: diamond D: corrundum
What is C: Diamond. Diamond is also one of the most valuable natural substances. Diamonds are crystals formed almost entirely of carbon. Because of its hardness, the diamond is the most enduring of all gemstones. They are among the most costly jewels in the world, partly because they are rare, Only four important diamond fields have been found - in Africa, South America, India, and the Soviet Union.