Science Trivia

10

Inventor Thomas Edison improved the major infrastructure of New York City in 1881 when he installed the world's first what?

10

This chemical element makes up about 1/4 of the earth's crust; it is the main ingredient of sand, is the main ingredient of glass, is used in the making of computers, and can also be made into synthetic rubber. What is this element?

6

Ascorbic acid is something which many of us consume virtually every day. By what name is ascorbic acid better known?

1

In physics, what property is defined as the ratio of the mass of a substance to its volume, expressed in grams per cubic centimeter or pounds per cubic foot?

15

What do you call curved lines on a weather map connecting regions of equal atmospheric pressure?

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?

4

The human ear is capable of hearing sounds in a decibel level range from a low of 10 db to a maximum of how many decibels? (within 10)

19

It was the fastest growing household product of the 1980's. In 1980, only 14% of US homes had one of these, but by 1990, over 80% of homes had one. What is it?

16

Give the proper names for the two major branches of biology; one deals with plants, the other animals.

3

What is the lightest chemical element?

5

Can you name any three chemical elements named for locations on the earth?

9

What was the name of the prehistoric flying reptile?

11

What is the name for the study of the supernatural influence of numbers on human life?

20

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