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Unit A - Mix and Flow of Matter, Sections 2 & 3

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

What is an example of a pure substance?

a)

Water

b)

Coffee

c)

Milk

d)

Juice

2.

What is an example of a heterogeneous mixture?

a)

Water

b)

Coffee

c)

Milk

d)

Air

3.

What is a Colloid?

a)

A cloudy heterogeneous mixture, like milk

b)

A cloudy homogenous mixture, like milk

c)

A separated mixture, like oil in water

d)

A separated mixture, like dust in air

4.

What is a Suspension?

a)

A separated mixture, like sand in water

b)

A homogenous mixture, like sugar water

c)

A cloudy mixture, like milk

d)

A pure substance like iron

5.

What is a homogenous mixture?

a)

A mixture that looks like it's made of one thing.

b)

A mixture that looks like it's made of multiple things

6.

What is a solvent?

a)

The medium that causes the solute to dissolve

b)

A substance that dissolves in solute

7.

What is an example of a solute?

a)

Sand, when mixed with rocks

b)

Oil, when mixed with sand

c)

Salt, when mixed in water

d)

Water, when mixed with oil

8.

What unit do we use for concentration?

a)

F/A

Force per area

b)

g/mL

Grams per milliliter

c)

mL/g

Milliliters per gram

d)

m/s

meters per second

9.

Which is an example of a saturated pancake?

a)

Where the pancake can absorb more syrup

b)

Where the pancake cannot absorb more syrup

10.

Which is an example of an unsaturated sponge?

a)

The sponge cannot absorb more water

b)

The sponge can absorb more water

11.

What is solubility?

a)

What state something is in, like ice is solid water

b)

How dense something is, like how heavy a bar of gold is

c)

How thick something is, like syrup running down a slope

d)

How fast something dissolves, like salt in water

12.

What affects solubility?

a)

Temperature and pressure

b)

Temperature, Pressure, and chemical bonds

c)

Pressure and altitude

d)

Pressure, particles, and Pascal's Law

13.

What are the 4 Statements in the Particle Model of Matter?

a)

1. Matter is made of particles

2. Particles have space between them

3. Particles are still

4. Particles feel outside forces

b)

1. Matter and energy are made of particles

2. Particles have space between them

3. Particles are still

4. Particles feel outside force

c)

1. Matter is made of particles

2. Particles have space between them

3. Particles are always moving

4. Particles feel outside forces

d)

1. Matter and energy are made of particles

2. Particles have space between them

3. Particles are still

4. Particles feel outside forces

14.

What is viscosity?

a)

How dense something is, like a gold bar

b)

How thick something is, like syrup running down a slope

c)

What state something is in, like ice being a solid

d)

The concentration of something, like juice

15.

What is a high viscosity liquid?

a)

Water

b)

Syrup

16.

What is a low viscosity liquid?

a)

Oil

b)

Water

17.

Higher temperatures _________ viscosity

a)

Increase

b)

Decrease

18.

What are the units we use for density?

a)

s/m

Seconds per meter

b)

mL/g

Milliliters per gram

c)

cm3/g

Centimeters cubed per gram

d)

g/cm3

Grams per centimeter cubed

19.

What is a high density object?

a)

Water bottle

b)

Pencil

c)

Feather

d)

Lead

20.

Which of these is correct?

a)

All liquids are fluids

b)

All fluids are liquids

21.

Which of these is compressible?

a)

Solid

b)

Liquid

c)

Gas

22.

What is the Plimsoll line?

a)

Lines on a truck to show how deep of snow it can safely travel through

b)

Lines on a plane to show where the clouds are

c)

Lines on the docks to show where low and high tide are

d)

Lines on a ship to show how deep the ship is within different water types

23.

What is Pascals Law?

a)

E=mc2

Energy = mass times speed of light squared

b)

V=d/t

Velocity = displacement over time

c)

P=F/A

Pressure = Force over Area

d)

W=Fd

Work = Force times distance

24.

Which is a hydraulic system?

a)

One that uses air, like a dentist's tools

b)

One that uses liquids, like a car lift

25.

Which is a pneumatic system?

a)

One that uses air, like the barber chair

b)

One that uses liquid, like a firehose

26.

How does a car lift work?

a)

A small amount of force is used on the large piston that then pushes the small piston up because the liquid is compressible

b)

A large amount of force is used on the large piston that then pushes the small piston up because the liquid is incompressible

c)

A small amount of force is used on the small piston that then pushes the large piston up because the liquid is incompressible.

d)

A large amount of force is used on the small piston that then pushes the large piston up because the liquid is compressible.