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Osmosis and Diffusion

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.

Diffusion occurs only in solids

a)

True

b)

False

2.

How do the particles move in diffusion?

a)

From a region of low concentration to a region of high concentration

b)

From a region of high concentration to a region of low concentration

c)

From a region of low concentration to a region of low concentration

d)

From a region of high concentration to a region of high concentration

3.

How long does diffusion last?

a)

Until the concentration of particles in the system is equal

b)

(Select this answer and I swear i'll make it harder for you in the assessment task)

c)

Until a region in the system has a greater concentration of particles than the other

d)

Until the particles disappear from the system

4.

The movement of particles is __________, resulting in the particles being spread throughout the container

a)

Structured

b)

In a straight line

c)

Random

d)

In curved, way motions

5.

What happens to the coffee particles when coffee is added to hot water?

a)

They sink to the bottom of the cup

b)

They spread out

c)

They clump together

6.

What does a 'region with high concentration' mean?

a)

An area with a SMALL number of particles

b)

An area with a LARGE number of particles

c)

An area with an UNEVEN number of particles

d)

An area with no particles

7.
Diffusion is the _______________ movement of particles freely in all directions to occupy the whole space available
a)
constant orderly
b)
constant random
c)
continuous
d)
fixed
8.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
9.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
10.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
11.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
12.
The diffusion of water through a semi-permeable membrane is called?
a)
Osmosis
b)
Cell wall
c)
Diffusion
d)
Respiration
13.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
14.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
15.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
16.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
17.

Which of the following is a correct description for solids?

a)

closely arranged and in fixed positions

b)

closely arranged and vibrate in fixed positions

c)

closely arranged and can move around

18.

Which statement about the molecules in the gas carbon dioxide is correct?

a)

The molecules are close together.

b)

The molecules are diatomic.

c)

The molecules move randomly.

d)

The molecules all move with the same speed.

19.
Which of the following statements about the particle of a gas is true?
a)
Gases can be compressed because their particles are smaller than those of liquids or solids.
b)
Gases can be compressed because there is plenty of space between their particles.
c)
Gases can be compressed because they have low boiling points.
d)
Gases can be compressed because their particles are more elastic than those of liquids or solids.
20.
Which of the following statements about the kinetic particle theory is not true?
a)
The particles of a gas move faster than those of a liquid.
b)
The particles of a solid have more kinetic energy than those of a gas.
c)
The particles that make up matter are always moving.
d)
The forces of attraction between the particles of a solid are very strong.
21.

An evidence that proves that particles are in random motion is___________.

a)

Diffusion

b)

Osmosis

c)

Surface Tension

d)

Brownian's Motion

22.

The above image of KMnO4 (Potassium Permanganate) dissolving in water is an example of which evidence (s) of the particulate theory of Matter?

a)

Diffusion

b)

Osmosis

c)

Surface Tension

d)

Brownian's Motion

23.

Brownian's motion BEST serves as evidence for which of the following?

a)

Matter is made up of substances.

b)

The particles are in constant motion.

c)

There are forces of attraction and repulsion between particles.

d)

There is space between the particles.

24.

The Kinetic theory can be used to explain how solids, liquids, and gases differ in _____________ and ___________.

a)

movement and arrangement

b)

space and weight

c)

movement and weight

d)

energy and temperature

25.
As particles are exposed to warmer temperatures they __________
a)
speed up
b)
slow down
c)
stay the same
d)
vibrate

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