sci quiz 7 Flashcards
quiz idfk (10 cards)
1
Q
What is the formula for density?
A
Density = Mass/Volume
2
Q
____ is the force pushing on an area of a surface
A
Pressure
3
Q
Air consists of two things, atoms and ____.
A
Molecules
4
Q
True or False? Molecules in a substance affect the density
A
True
5
Q
The ____ of the atmosphere is always pressing on your body
A
Weight
6
Q
Which instrument is used to measure pressure?
A
Barometer
7
Q
At ____ level, the mercury is 76 centimeters average
A
Sea
8
Q
True or False? Which higher air pressure, there’s lower mercury
A
False
9
Q
Name the two types of units that air pressure is measured at
A
Inches and Millibars
10
Q
____ pressure is greater at sea level
A
Air