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Hard science quiz

A challenger round for the science fans. The obvious answer is often the trap.

Free to use with your own team, courtesy of WorkplaceHero - workplacehero.co.uk

Question sheet

1. Which is the only metal that is liquid at a normal room temperature of 20°C?
- A. Gallium
- B. Mercury
- C. Caesium
- D. Bromine
2. Which is the third most abundant gas in dry air?
- A. Carbon dioxide
- B. Argon
- C. Neon
- D. Hydrogen
3. Which organ uses roughly a fifth of the body's energy at rest?
- A. Heart
- B. Liver
- C. Brain
- D. Lungs
4. Roughly how long does sunlight take to reach Earth?
- A. 8 seconds
- B. 8 minutes
- C. 80 minutes
- D. 8 hours
5. Which is the hottest planet in our solar system?
- A. Mercury
- B. Venus
- C. Mars
- D. Jupiter
6. Which blood type is known as the universal donor for red blood cells?
- A. A positive
- B. AB positive
- C. O negative
- D. B negative
7. How many bones does a typical adult human skeleton have?
- A. 186
- B. 206
- C. 226
- D. 256
8. Which planet is the only one not named after a Greek or Roman god?
- A. Earth
- B. Uranus
- C. Mars
- D. Neptune
9. Absolute zero is approximately what temperature in Celsius?
- A. -100°C
- B. -173°C
- C. -273°C
- D. -373°C
10. Who described the three laws of planetary motion?
- A. Galileo
- B. Copernicus
- C. Johannes Kepler
- D. Isaac Newton
11. Which element makes up most of the Sun's mass?
- A. Helium
- B. Hydrogen
- C. Oxygen
- D. Carbon
12. Which of these is NOT one of the four bases in DNA?
- A. Adenine
- B. Guanine
- C. Uracil
- D. Thymine

Team answer sheet

Team name

Date

Write the letter or your answer beside each question.

Total score / 12

1. B - Mercury
Bromine is also liquid but is not a metal; gallium and caesium melt just above room temperature.
2. B - Argon
Argon makes up almost 1 percent of the air, over twenty times more than carbon dioxide.
3. C - Brain
The brain is about 2 percent of body weight but uses around 20 percent of resting energy.
4. B - 8 minutes
Light covers the 150 million km in about 8 minutes and 20 seconds.
5. B - Venus
Mercury is closer to the Sun, but Venus's thick carbon dioxide atmosphere traps heat.
6. C - O negative
O negative red cells lack A, B and RhD antigens, so most people can receive them.
7. B - 206
Babies are born with around 300, many of which fuse as they grow.
8. A - Earth
Uranus is named after the Greek god of the sky.
9. C - -273°C
Absolute zero is -273.15°C, or 0 kelvin.
10. C - Johannes Kepler
Kepler published them between 1609 and 1619; Newton later explained why they worked.
11. B - Hydrogen
Hydrogen is around three quarters of the Sun's mass, fusing into helium in its core.
12. C - Uracil
Uracil replaces thymine in RNA, not DNA.