Exploring Chemistry Chapters 13-14

Question 1

Cellulose gives plant cells their

Answer 1

strong cell walls

Question 2

The element found in computer chips is

Answer 2

silicone

Question 3

Silicon carbide was discovered while trying to make synthetic

Answer 3

diamond

Question 4

Silicon is an electric

Answer 4

semiconductor

Question 5

The one that can resist sudden changes in temperature is glass or quartz?

Answer 5

quartz

Question 6

Silicon is the ___ .

Answer 6

second most abundant) element in the earth’s crust

Question 7

Stained glass was colored

Answer 7

to hide the fact that glass makers could not make clear glass

Question 8

Diatoms have cell walls of

Answer 8

silica

Question 9

The Star of India is

Answer 9

a diamond

Question 10

The one better able to lubricate across extreme temperatures is hydrocarbon motor oil or silicone oil.

Answer 10

silicone oil

Question 11

Guncotton would be described as being ___.

Answer 11

unpredictable and capable of exploding without warning

Question 12

Blasting caps are used

Answer 12

for safe detonation of explosives

Question 13

Ascanio Sobrero’s reaction to nitroglycerin was to

Answer 13

keep it secret

Question 14

A gem’s value is due to its

Answer 14

beauty, cost, and rarity

Question 15

The essential element in explosives is _______________.

Answer 15

nitrogen

Question 16

The powder in the expression “keep your powder dry” was

Answer 16

gun powder

Question 17

Nitrocellulose is a combination of a _______________ compound with cellulose.

Answer 17

nitrogen

Question 18

Abraham Lincoln’s great construction project was to connect California to the East Coast with

Answer 18

a railroad