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- 1. Multiple Choice
Diffusion occurs only in solids
True
False
- 2. Multiple Choice
How do the particles move in diffusion?
From a region of low concentration to a region of high concentration
From a region of high concentration to a region of low concentration
From a region of low concentration to a region of low concentration
From a region of high concentration to a region of high concentration
- 3. Multiple Choice
How long does diffusion last?
Until the concentration of particles in the system is equal
(Select this answer and I swear i'll make it harder for you in the assessment task)
Until a region in the system has a greater concentration of particles than the other
Until the particles disappear from the system
- 4. Multiple Choice
The movement of particles is __________, resulting in the particles being spread throughout the container
Structured
In a straight line
Random
In curved, way motions
- 5. Multiple Choice
What happens to the coffee particles when coffee is added to hot water?
They sink to the bottom of the cup
They spread out
They clump together
- 6. Multiple Choice
What does a 'region with high concentration' mean?
An area with a SMALL number of particles
An area with a LARGE number of particles
An area with an UNEVEN number of particles
An area with no particles
- 7. Multiple Choice
When does diffusion stop?
After a day and a night
When the particles are evenly spread out
When there are no particles left
When all the particles leave the system
- 8. Multiple ChoiceDiffusion is the _______________ movement of particles freely in all directions to occupy the whole space availableconstant orderlyconstant randomcontinuousfixed
- 9. Multiple ChoiceWhich gas will diffuse at the slowest speed?oxygencarbon dioxidebrominehydrogen
- 10. Multiple Choice
The picture is an example of _________________.isotonicdiffusionosmosisactive transport - 11. Multiple ChoiceWhat happens to particles when they are heated?They speed up and spread outThey slow down and compressThey stop movingThey move closer together and speed up
- 12. Multiple ChoiceThe faster an object moves, the ________ kinetic energy it has.morelessnone of the aboveall of the above
- 13. Multiple ChoiceAn increase in temperature does what to diffusion?Speeds it upSlows it downHas no effectI wish i knew. Really I do.
- 14. Multiple Choice
What is DIFFUSION?
- 15. Multiple ChoiceDiffusion is the movement of molecules from an area of _____ concentration to an ______ concentrationHigh, lowLow, highLow, low,High, high
- Answer choicesTagsAnswer choicesTags