Q: Nitrogen constitutes what percentage of the atmosphere?

1. 42%
2. 79%
3. 56%
4. 18%

Q: Who discovered the circulation of blood?

1. William Harvey
2. Hargobind Khorana
3. Louis Pasteur
4. Edward Jenner

Q: Who invented the miner's safety-lamp?

1. Alexander Graham Bell
2. Thomas Alva Edison
3. Sir Humphrey Davy
4. Sir Frank Whittle

Q: Who discovered Penicillin?

1. Louis Pasteur
2. Sir Alexander Fleming
3. Watson and Crick
4. Robert Koch

Q: Which of the following measurements is not a unit of distance?

1. Cubit
2. Ammeter
3. Parsec
4. Angstrom

Q: Which of the following is not a constituent of the atmosphere?

1. Nitrogen
2. Carbon Dioxide
3. Oxygen
4. Aluminum

Q: The three methods of science are observation, experimentation and...?

1. Measurement
2. Deduction
3. Inference
4. Hypothesis

Q: What was the coldest temperature ever recorded on Earth (at Vostok, Antarctica)?

1. -129 F
2. -197 F
3. -103 F
4. -53 F

Q: Where is the Sea of Tranquility?

1. On the Moon
2. In the Atlantic Ocean
3. Near the Bermuda Triangle
4. In the Pacific Ocean

Q: The Earth is surrounded by an insulating blanket of gases which protects it from the light and heat of the Sun. This insulating layer is called the...?

1. Lithosphere
2. Biosphere
3. Hydrosphere
4. Atmosphere

Q: Which planet is known as the Red Planet?

1. Earth
2. Mercury
3. Mars
4. Jupiter

Q: What was the lowest internal body temperature ever recorded in a human being who went on to survive?

1. 47 F
2. 69 F
3. 30 F
4. 53 F

Q: Which gas in the atmosphere saves us from the UV rays of the sun?

1. Ozone
2. Oxygen
3. Nitrogen
4. Carbon Monoxide

Q: At what temperature does water boil, at sea level?

1. 170 F
2. 212 F
3. 100 F
4. 180 F