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Unit 0.5 Practice Test

Total questions: 100

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

Which picture represent eye safety?

a)
b)
c)
d)
2.

What does this picture represent?

a)

Fume Warning

b)

Disposal

c)

Chemical Warning

d)

Open Flame

3.

Which picture represents clothing protection?

a)
b)
c)
d)
4.

What does this picture represent?

a)

Irritant

b)

Sharp Object

c)

Extreme Temperature

d)

Clothing Protection

5.

Which picture below represents "Toxic?"

a)
b)
c)
d)
6.

What does this picture represent?

a)

Chemical Warning

b)

Irritant

c)

Clothing Protection

d)

Sharp Object

7.

Which picture represent open flame warning?

a)
b)
c)
d)
8.

Which of the following pictures represents extreme temperature warning?

a)
b)
c)
d)
9.

Which picture below represent Disposal warning?

a)
b)
c)
d)
10.

What does this picture represent?

a)

Milly Rock

b)

Open Flame Warning

c)

Fume Warning

d)

Chemical Spill

11.
Conduct yourself in a _____________ manner at all times in the laboratory.
a)
honest
b)
respectful
c)
responsible
d)
safe
12.
Follow all ________________ instructions and directions carefully.
a)
written
b)
verbal
c)
silly
d)
written and verbal
13.
Never work ____________
a)
alone
b)
at your desk/table
c)
slowly and cautiously
d)
work,work (Beyonce)
14.
When you first encounter science equipment, ____________________
a)
organize it in your lab area
b)
play around with it and see how it works
c)
make sure it works properly 
d)
do not touch it until you have been given instructions
15.
Do not eat food, drink, or chew gum in the lab.  Do not use ______________ for containers for food or drinks
a)
glassware
b)
plastic cups
c)
your stomach
d)
my refrigerator
16.
__________________________.  Read all procedures thoroughly before starting an experiment
a)
Be prepared for work in the lab
b)
Stay on task
c)
Safety first
d)
Twerk Party!!!
17.
Know the ________________ all safety equipment including first aid kit, fire extinguisher, and eye-wash station
a)
manufacturer
b)
location and how to operate
c)
expiration date for
d)
materials used in
18.
You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
19.
Which unit of measurement is greatest?
a)
decimeters
b)
millimeters
c)
centimeters
d)
kilometers
20.
5000 millimeters = ____ meters
a)
5
b)
50
c)
500
d)
25
21.
1800 milligrams = ___ grams
a)
1.8
b)
18
c)
180
d)
.18
22.
1000 g= ______ kilogram(s)
a)
1
b)
10
c)
100
d)
1000
23.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
24.
convert 650 m to km
a)
6.5
b)
0.65
c)
65
d)
0.065
25.
71 km = ___ m
a)
71
b)
710
c)
7,100
d)
71,000
26.
1 cm = ________mm
a)
1
b)
100
c)
10
d)
1000
27.
A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)
a)
21.6 km/h
b)
16.67 km/h
c)
2.16 km/h
d)
1.67 km/h
28.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
29.
Is 4,000 mg greater than, less than, or equal to 4 g?
a)
greater than
b)
less than
c)
equal to
30.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
31.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
32.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
33.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
34.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
35.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
36.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
37.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
38.
Solubility (dissolves): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
39.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
40.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
41.
Reacts with Water: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
42.
Hardness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
43.
Luster: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
44.
Odor: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
45.

Mass divided by volume is the formula for calculating----

a)

Mass

b)

Volume

c)

Density

d)

Matter

46.

The ability to burn is known as---

a)

Flammability

b)

Combustion

c)

Density

d)

Exploding

47.

The ability to shine is known as----

a)

Luster

b)

Brightness

c)

Flammability

d)

Combustion

48.

Solubility, the ability to dissolve, is a --- property.

a)

Chemical

b)

Physical

49.

100 degrees Celsius is the ----- of water.

a)

Melting point

b)

Freezing point

c)

Boiling point

50.

Ductility, the ability to be stretched into thin wires, is a --- property.

a)

Chemical

b)

Physical

51.

When metal comes in contact with oxygen and water, it creates ---- through a chemical reaction.

a)

Rust (tarnish)

b)

Mold

c)

Decomposition

d)

Copper

52.

Digestion, the process of the body breaking down food for nutrients, is a --- property.

a)

Chemcial

b)

Physical

53.

Malleability, the ability to be flattened into thin sheets, is a ---property.

a)

Physical

b)

Chemical

54.

The freezing point of water in degrees Celsius is---

a)

0

b)

32

c)

212

d)

100

55.

Which of the following is NOT A BASE UNIT?

a)

gram

b)

second

c)

mass

d)

liter

e)

meter

56.

Can we measure temperature using touch?

a)

Yes, we feel the general temperature accurately enough.

b)

No, hot or cold to the human touch is based on perspective.

57.

Which example best describes a nanosecond?

a)

the speed of a bullet

b)

the speed of light

c)

the speed of a car

d)

the speed of a human running

58.

The distance between the earth and sun is best measured in...

a)

Gigameter (Gm)

b)

Kilometer (Km)

c)

millimeter (mm)

d)

nanometer (nm)

59.

The height of Mt. Everest is best measured in...

a)

Gigameter (Gm)

b)

Kilometer (Km)

c)

millimeter (mm)

d)

nanometer (nm)

60.

The width of a human hair is best measured in...

a)

Gigameter (Gm)

b)

Kilometer (Km)

c)

millimeter (mm)

d)

nanometer (nm)

61.

The diameter (length) of the largest radioactive atoms are best measured in...

a)

Gigameter (Gm)

b)

Kilometer (Km)

c)

millimeter (mm)

d)

nanometer (nm)

62.

The mass of a grain of salt is best measured in...

a)

Gigagram (Gg)

b)

Megagram (Mg)

c)

Kilogram (Kg)

d)

nanogram (ng)

63.

The volume of a all the water on earth is best measured in...

a)

Gigaliter (GL)

b)

Megaliter (ML)

c)

Liter (L)

d)

nanoliter (nL)

64.

The volume of a all the water on earth is best measured in...

a)

Gigaliter (GL)

b)

Megaliter (ML)

c)

Liter (L)

d)

nanoliter (nL)

65.

Which of the following is NOT CORRETLY MATCHED?

a)

Time - seconds

b)

Length - meter

c)

Mass - gram

d)

Temperature - Fahrenheit

e)

Volume - Liter

66.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
67.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
68.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
69.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
70.
A change in phase ...
a)
Chemical Change
b)
Physical Change
71.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
72.
Change in size ...
a)
Chemical Change
b)
Physical Change
73.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
74.
To go back to the substances original states is not possible or you would need to use chemicals. 
a)
Chemical
b)
Physical
75.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
76.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
77.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
78.
 A substance that cannot be broken down into any other substance by ordinarychemical means is called —
a)
molecule
b)
mixture
c)
element
d)
compound
79.
Two or more physically combined substances form —
a)
a compoud
b)
an acid
c)
an element
d)
a mixture
80.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
81.
A substance made of only one type of atom is called —
a)
an element
b)
a mixture
c)
a compound
d)
a salt
82.
Which of these substances is an example of a solution?
a)
milk
b)
sweet tea
c)
mercury
d)
concrete
83.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
84.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
85.
Salt Water
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Solution
86.
Solid, liquid or gas? Water
a)
solid
b)
liquid
c)
gas
87.
Solid, liquid or gas? Ice
a)
solid
b)
liquid
c)
gas
88.
Solid, liquid or gas? Water vapor
a)
solid
b)
liquid
c)
gas
89.
Solid, liquid or gas? Slime
a)
solid
b)
liquid
c)
gas
90.
_____ keep their shape.
a)
Solids
b)
Liquids
c)
Gasses
91.
_____ take the shape of the container.
a)
Solids
b)
Liquids
c)
Gasses
92.
_____ have tightly compacted molecules that vibrate.
a)
Solids
b)
Liquids
c)
Gasses
93.
True or false? Plasma is a state of matter
a)
true
b)
false
94.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
95.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
96.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
97.
How would you write 4.3756 x 10in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
98.
Write in scientific notation: 
0.0000378 
a)
3.78 x 10-5
b)
3.78 x 10-6
c)
0.378 x 10-5
99.
Convert to scientific notation:
520,000,000  
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
100.

How do you spell Mrs. Nako's full last name?

a)

Nakoneczncj

b)

Nakonezcnyj

c)

Nakonecznyj

d)

Nakonecxznj