Science Trivia

[DisneyPhD]

Originally posted by Hyperion93
Red...I believe.

Nope. I'll give you 3 more guesses

 

[bamboo7]

Originally posted by DisneyPhD


Nope. I'll give you 3 more guesses

blue

 

[DisneyPhD]

Originally posted by bamboo7

blue

Correct. Remember ROY G BIV (Red Orange Yellow etc.) Blue is up near violet, then comes ultraviolet which has enough energy to damage your skin. Decreasing wavelength = increasing energy.

I'm done for the night. Next question... anyone anyone Bueller Bueller?

 

[Hyperion93]

I got a question.

What is the closest star to our solar system?

*Obviously not the sun*

 

[CmdrTostada]

Oh man I used to know that Hopefully Ill remeber

 

[DisneyPhD]

Alpha Centauri ?????

 

[Coronado]

I think you are right Doc.... Let me post one then you can continue......

Question what is one of the most common uses for cellulose nitrate today?

 

[SandySHM]

Do they put it in gum or icecream?

just a guess, I'm not great at science.:wave:

 

[Hyperion93]

Originally posted by DisneyPhD
Alpha Centauri ?????

No, that's the name of the star system.

 

[DisneyPhD]

Originally posted by Hyperion93


No, that's the name of the star system.

Well at least I'm close. I'm thinking it starts with the letter R. I'm relying strictly on Star Trek memory. In 8.5 years of college, I never took an astronomy course.

As for Cellulose Nitrate, sounds like something explosive.

 

[Hyperion93]

Well it does end wtih Centauri.

 

[Coronado]

Sorry for stepping over the other post.... I thought it was correct and no action on the answer since last night about 8.....

I will hold off on the Cellulose nitrate until we find out about the star......

Ok I guess that it is the sun.... unless you don't count stars in our solar system.... in that case it is Proxima Centauri.....

If I am right, the clue to the Cellulose nitrate is that it makes something safer to use

 

[Hyperion93]

I said, beside the sun. And yes, it is Proxima Centauri. Good Job Coronado.

 

[Coronado]

Cellulose nitrate is a coating on something that helps keep it safe for us....Can you guess now?

 

[bamboo7]

Originally posted by Coronado
Cellulose nitrate is a coating on something that helps keep it safe for us....Can you guess now?

well, it has been used for many things, i'm not sure which one you are asking about. two things it used to be used for was the production of photographic film, and safety glass.

 

[Coronado]

Way to go Dan... It was invented by accident in the chemestry lab when a flask containing teh evaporated substance fell on the floor and the glass stayed together....

According to the combined gas laws, when a vapor is compressed, the pressure and temperature of that vapor increase. What industry uses this principle to manufacture a common product that we all use today?

 

[Coronado]

Conversely.... when a vapor expands, the pressure and the temperature drop......now what common item that everyone has in there home is produced by this process?

 

[Coronado]

Seeing several looks but no answer, I will give the answer.... the principle is called Boyles Law, Charles Law, and the Combined Gas Laws....It is the methjod by which Refrigeration occurs...A/C, Ice makers, Refrigerators, Freezers, Slupree makers....:lol:

Let me try another: If the current in an electric circuit goes up and the voltage stays the same.... what changed to make the current increase?

 

[DisneyPhD]

Resistance decreased

 

[tenchu]

V=IR

V = Voltage
I = Current
R = Resistance