Science Trivia

17

This organ in the human body, about the size of your fist, is located behind the stomach. Its most important function is filtering foreign substances from the blood, as well as helping the body fight infections. What is the name of this organ?

7

Within 50% margin of error: how long does it take for blood to make a complete tour through the human body, from the time it leaves the heart until it returns?

3

What is the lightest chemical element?

9

What was the name of the prehistoric flying reptile?

20

The color chartreuse is basically a combination of which two colors?

6

The first vaccine, developed by the English physician Edward Jenner in 1796, protected people against what disease?

13

What is the name of the effect, named after a 19th Century Austrian physicist, which causes the sound of a moving object to change its pitch as it approaches and then passes you?

19

Which small, prehistoric flying animal got its name from the Greek words meaning flying finger wing?

16

In a much-photographed experiment of the mid-1990s, researchers in Massachusetts grew what human-shaped structure on the back of a mouse?

Source: en.wikipedia.org

20

In April and May, 1961, the first two astronauts were launched into space; one Russian and one American. Can you name them?

8

The shape of a DNA molecule is usually referred to by a two-word phrase, one of whose words refers to its three-dimensional spiral shape. What is this phrase?

9

What science studies the structure and history of the earth?

16

Which human organ secretes bile, forms blood proteins, and stores vitamins for later release into the bloodstream?

18

Each year an award is given for exceptional and outstanding achievement in the field of atomic energy. This award is named after the person who produced the first controlled nuclear chain reaction, in 1942. After whom is this award named?

11

Can you give the decibel levels of each of the following sounds: within 10 a. Normal conversation b. Jet plane takeoff c. Live loud rock music