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Science Multiple Choice #3 - Statistics
General Stats
- This quiz has been taken 34,494 times
- The average score is 10 of 15
Answer Stats
| Question | Answer | % Correct |
|---|---|---|
| How many molecules are in a mole? | About 6.02 x 1023 | 84%
|
| What sex chromosomes do most human males have? | XY | 84%
|
| Which type of blood vessel carries blood from the heart out to the rest of the body? | Arteries | 82%
|
| In 1971, astronaut David Scott dropped a hammer and a feather on the surface of the moon. What happened? | Both objects fell at roughly the same speed | 82%
|
| What is E. coli? | a Bacterium | 80%
|
| What was the Cambrian Explosion? | An increase in diverse species beginning about 541 million years ago | 80%
|
| Which of these particles has the lowest mass? | Electron | 74%
|
| Which continent has the greatest number of marsupial species? | Australia | 72%
|
| Where is the asteroid belt? | Between Mars and Jupiter | 72%
|
| If a radioactive substance has a half-life of 1 year, how much of it will be left in 3 years? | 1/8 | 70%
|
| What type of galaxy is the Milky Way? | Spiral | 67%
|
| What does Hertz measure? | Number of cycles per second | 46%
|
| Would you weigh less on the equator than the North Pole? | Yes | 46%
|
| Take a sheet of metal with holes in it. Heat the metal. What happens to the holes? | They get larger | 39%
|
| What phylum are humans in? | Chordata | 21%
|
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