At the top of a mountain, the air pressure will be ............................. low - high
low
Oops!
Check
Okay!
Check
15
Gas pressure is caused by particles colliding with ............................................. each other only. - the walls of a container.
the walls of a container.
Oops!
Check
Okay!
Check
15
Pressure can be exerted by solids, liquids and gases. ? TRUE - FALSE
TRUE
Oops!
Check
Okay!
Check
15
The net movement of particles from a region of high concentration to a region of lower concentration due to random movement is the definition of:
diffusion
Oops!
Check
Okay!
Check
15
How can we increase the gas pressure inside a sealed container? Increase the number of particles inside the container- Increase the temperature -Decrease the volume of the container -All of these
All of these
Oops!
Check
Okay!
Check
15
In what direction(s) does air exert pressure? In all directions - In no direction -there is no pressure
In all directions
Oops!
Check
Okay!
Check
trap
No points!
Oops!
seesaw
Swap points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
What is a solvent? The one doing the dissolving - The substance dissoved in another substance
The one doing the dissolving
Oops!
Check
Okay!
Check
15
What is a solute? A substance dissolved in another substance - the substance doing the dissolving
A substance dissolved in another substance
Oops!
Check
Okay!
Check
15
The reason gases can be compressed is because: ? The particles are very close together. - The particles are merely vibrating. - The particles are unable to move.- The particles are very far apart.
The particles are very far apart.
Oops!
Check
Okay!
Check
15
Which container will have lower pressure? left - right - they both have the same pressure
left
Oops!
Check
Okay!
Check
seesaw
Swap points!
Oops!
fairy
Take points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
Cooling a plastic bottle in a freezer will ......................... the air particles inside. speed up - slow down
slow down
Oops!
Check
Okay!
Check
15
Diffusion occurs only in solids True- False
False
Oops!
Check
Okay!
Check
15
If a hairspray can is heated, what can be expected of the pressure of the gas inside the can? The pressure will increase -The pressure will decrease