General Science #2

General Science #2

Please read each question carefully and select the correct answer by clicking on the corresponding button. The answer key will be provided after the quiz is scored. Streeeetch that mind!

1.

Starting in 1887, what was used by miners to extract gold from ore in a process called leaching?

Leaches
Cyanide
Milk
Chlorine bleach
I don't know
2.

Approximately, how many tons of garbage is generated by New York City dwellers each week?

50,000
100,000
200,000
300,000
I don't know
3.

What was the Manhattan Project of the 1940's?

The project that led the Americans to discover the atomic bomb
The conception, design and landscaping of Central Park in NYC
A coalition of international scientists who collaborated on solving world issues of pollution
The project behind the discovery of the structure of DNA, the heredity molecule
I don't know
4.

Filtering tap water through activated carbon removes...

Dissolved calcium
Nitrates
Bad tastes, odours, and color
Viruses
I don't know
5.

Gregor Mendel, an Austrian monk founded the science of genetics by studying the hereditary traits of...

Guinea pigs
Apples
Chickens
Peas
Other monks
Worms
I don't know
6.

What is dendrochronology?

A method of determining the age of wood by examining the tree growth rings
Using the well-known format of the family tree to document family histories.
The study of the hair and the scalp
A system by which trees are classified
I don't know
7.

In what year was cellophane invented?

1908
1925
1952
1976
I don't know
8.

Which of the following statements is NOT true about the fabric Kevlar?

Kevlar is used to make bulletproof clothing
Kevlar was developed by DuPont
Kevlar can withstand brief contacts as hot as 1, 400 degrees Celsius
Kevlar is four times as stretchy as Nylon
I don't know
9.

Which of the following statements about acid rain is NOT true?

Lakes in limestone areas can neutralize the acid to varying degrees
In an overly acidic lake, older fish survive at first, but as younger fish perish, they lose their food supply and die
One rainfall will increase the acidity of a lake to damaging proportions
Acid rain can damage soil, too
Acid rain existed long before man-made technologies did
I don't know
10.

Fog near Los Angeles has been measured to be as acidic as vinegar.

True
False
I don't know
Don't bottle things up. Negative emotions find a way out in inopportune ways at inopportune times.
"What would you attempt to do if you knew you could not fail?"
Robert Schuller
Don't underestimate the power of imagination. It takes you places that money cannot buy a ticket to.
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