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Case 21 Review

Total questions: 50

Worksheet time: 49mins

Name
Class
Date
1.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
2.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
3.
__________ are the building blocks of life.
a)
solids
b)
gases
c)
atoms
d)
nutrients
4.
I am the smallest whole particle of matter. 
a)
atom
b)
compound
c)
molecule
d)
mixture
5.
I am two or more atoms chemically bonded.
a)
atom
b)
compound
c)
molecule
d)
mixture
6.
Which 2 kinds of particles make up the nucleus of an atom?
a)
electrons and neutrons
b)
electrons and nuclei
c)
protons and neutrons
d)
protons and kryptons
7.
Which particle carries a negative charge?
a)
protons
b)
neutrons
c)
electrons
8.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
9.
Solids have a definite _______________.
a)
smell
b)
shape
c)
picture
d)
sound
10.
Liquid matter takes the shape of _______.
a)
a gas
b)
water
c)
a pet
d)
Its container
11.

What is the difference between mass and weight?

a)

Mass is the total matter in an object, and weight is the downward pull of an object.

b)

Mass is the downward pull of gravity on an object, and weight is the total matter making up an object.

c)

They are the same thing

d)

Weight is heavy and Mass is light

12.
Iron + oxygen = rust is an example of a ___________.
a)
physical property/change
b)
chemical property/change
c)
mass
d)
volume
13.
A student was asked to help pass out cups of hot chocolate to two other students.  A teacher poured the steaming liquid into cups.  Once cup was made of stainless steel and the other was made of thick plastic.  As the student walked across the room, he suddenly put one of the cups on a desk and exclaimed "Ouch".  Which cup did he put down and why?
a)
He put down the plastic cup because the contents were spilling everywhere.
b)
He put down the steel cup because it was conducting thermal energy from the liquid to his hand.
c)
He put down the steel cup because it was insulating thermal energy from the liquid to his hand.
d)
He put down the plastic cup because it was insulating thermal energy from the liquid to his hand.
14.
Which statement about atoms is true?
a)
They are all the same
b)
All substances are made of just one kind
c)
You can see them with your eyes
d)
They are too small to be seen with an ordinary microscope
15.
Which liquid has the greatest density?
a)
lamp oil
b)
karo syrup
c)
water
d)
honey
16.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
17.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
18.
A measure of how much mass is contained in a given unit of volume.
a)
mass
b)
density
c)
volume
d)
matter
19.
You can measure ______ with grams.
a)
mass
b)
volume
c)
conductivity
d)
melting point
20.
The ability of a metal to allow heat or electricity to pass through it.
a)
conductivity
b)
insulator
c)
mass
d)
density
21.
A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
a)
 subtances
b)
parts
c)
leaves
d)
pebbles
22.
Making a mixture results in ___________________ only.
a)
chemical reactions
b)
separate parts
c)
physical changes
d)
two subtances
23.
Lemonade is a special mixture called a 
a)
substance
b)
solution
c)
plasma
d)
ingredient
24.
A solution is a mixture of one or more substances _________ evenly into another substance.
a)
dissolved
b)
evaporated
c)
carried
d)
split
25.
A combination of two or more substances where each keeps its own properties and both can be easily separated.
a)
mixture
b)
solution
c)
substance
d)
physical change
26.
Make different without changing what the material is made of, such as cutting, folding, or melting.
a)
physical change
b)
mixture
c)
solution
d)
mass
27.
A particular type of mixture where a substance dissolves in another; the molecules spread evenly through the other substance, such as in salt added to water.
a)
solution
b)
mixture
c)
physical change
d)
boiling point
28.
Spread out uniformly in a liquid.
a)
dissolve
b)
mixture
c)
solution
d)
soilid
29.
Can you separate salt from water using filtration?
a)
yes
b)
no
30.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
31.
Filtration can separate a mixture because,,,
a)
the parts of the mixture have different density so they separate.
b)
some parts of the mixture are small enough to pass through the small holes in the filter paper and some don't.
c)
some of the particles in the mixture are attracted to the filter paper so it stays behind.
d)
some parts of the mixture boil faster than others so they evaporate first.
32.

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

a)

filtration

b)

evaporation

c)

sifting

d)

magnetism

33.
To separate sand and iron filings you would use a  ___________.
a)
a screen strainer
b)
coffee filter paper
c)
a magnet
d)
your hands
34.
A salad is an example of which?
a)
element
b)
compound
c)
mixture
d)
solution
35.

The substance that does the dissolving

a)

Solute

b)

Solvent

c)

Solution

d)

Miscibility

36.

The substance getting dissolved

a)

Solvent

b)

Solute

c)

Solution

d)

Mixture

37.

Which process would you use to separate solid particles from larger particles in a mixture with filter paper in a funnel to trap solids so that the liquids will pass through.

a)

Chromatography

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

38.

Which process would you use to separate smaller solid particles from larger solid particles. A mixture of different sized solids is put into a container that has a screen material at the bottom with certain sized holes in it. The smaller particles go through the screen and the larger ones do not.

a)

Evaporation

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

39.

In this reaction, which substances are considered the products?

a)

wood and oxygen

b)

wood and ash

c)

ashes, carbon dioxide gas and water vapor

d)

oxygen and carbon dioxide

40.

Burning a piece of paper is an example of a

a)

Physical Change

b)

Chemical change

41.

Tearing paper into small pieces is an example of a

a)

Mixture

b)

Physical change

c)

Chemical change

42.

Which of the following is a chemical change?

a)

Cutting bread

b)

Slicing carrots

c)

Melting butter

d)

Soured milk

43.

Which of the following is a physical change?

a)

Ice melting

b)

Baking potatoes

c)

Rusty nail

d)

Rotting wood

44.

Which change creates a NEW substance?

a)

Physical change

b)

Chemical Change

45.

Heating a solid until it changes color and produces an odor, and noting the solid cannot be changed back is an example of

a)

Physical Change

b)

Chemical Change

46.

What does this illustrate

a)

Elements

b)

Compounds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

47.

What does this pic illustrate?

a)

Element

b)

Mixture of Compunds

c)

Mixture of elements

d)

Compounds

48.

The chart below lists some substances and their symbols. How many of these substances are examples of elements?

a)

1

b)

2

c)

3

d)

4

49.

Mixtures are different than pure substances because mixtures-

a)

have lower boiling points

b)

can be separated physically

c)

are less dense than pure substances

d)

contain only one type of atom

50.

Two more atoms of different elements chemically bonded to form a new substance

a)

Molecules

b)

Atoms

c)

Element

d)

Compound

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