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Benchmark Review

Total questions: 31

Worksheet time: 39mins

Name
Class
Date
1.

Bubbles and fizzing can be seen instantly when baking soda is mixed with vinegar. The bubbles are evidence of which of the following?

a)

A gas is formed when baking soda and vinegar are mixed.

b)

Baking soda dissolves in vinegar when they are mixed.

c)

Vinegar turns into alcohol when it is mixed with baking soda.

d)

A precipitate is formed when baking soda and vinegar are mixed.

2.

Which of the following characteristics is shared by all chemical reactions?

a)

Produce a precipitate

b)

Show a color change

c)

Release heat energy

d)

Form new substances

3.
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
4.
What do we know about the density of lamp oil, rubbing alcohol, and vegetable oil?  
a)
The density is greater than 1.0 g/mL
b)
The density is less than 1.0 g/mL
c)
The density is equal to 1.0 g/mL
d)
The density can not be determined
5.
The chemical symbol for sodium is
a)
S
b)
So
c)
Na
6.

What is an advantage of Oil?

a)

Chance of a spill

b)

High amounts of gas released when burned

c)

Nonrenewable

d)

Inexpensive

7.

The following picture is an example of what energy source?

a)

Wind

b)

Biomass

c)

Coal

d)

Hydropower

8.

An advantage of this energy source is it uses resources that can be renewed.

a)

Coal

b)

Oil

c)

Biomass

d)

Natural Gas

9.

How well a substance can be hammered into sheets.

a)

Malleability

b)

Conductivity

c)

Luster

d)

Magnetic

10.

Using the table, which mineral will scratch Creedite but will NOT scratch Spectrolite?

a)

Alabaster

b)

Boracite

c)

Ekanite

d)

Moissanite

11.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
12.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
13.
The color of the powdered form of a mineral found by rubbing a mineral against a white tile.
a)
Luster
b)
Cleavage
c)
Streak
d)
Fracture
14.
Which of these minerals is softer than glass?
a)
Topaz 
b)
Corundum 
c)
Calcite 
d)
Orthoclase 
15.
Refers to a mineral's resistance to being scratched. 
a)
color
b)
cleavage
c)
hardness
d)
breakage
16.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
17.
Which items would have this energy transformation: chemical energy -> thermal and light energy?
a)
tanning bed
b)
candle burning
c)
windmill turning
d)
solar calcultor
18.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
19.

Jose Altuve is at batting practice for the Houston Astros.

What was the average speed of the baseball for his third hit as it traveled in the air?

a)

32 m/sec

b)

20.7 m/sec

c)

24 m/sec

d)

27 m/sec

20.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3 
c)
38.0 cm3
d)
32.0 mL
21.
What is the density of a substance that has a mass of 30g and a volume of 6 liters?
a)
24 g/L
b)
5 g/L
c)
36 g/L
d)
180 g/L
22.
How can you tell that a chemical reaction has occurred when vinegar and baking soda are mixed?
a)
Bubbles appear showing a gas has formed.
b)
The mixture smells sour.
c)
The mixture changes to a different color.
d)
A white precipitate forms.
23.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
24.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
25.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

26.
Moh’s scale of hardness ranks minerals from 1 which is the _______________ to 10 which is the ________________.
a)
softest, hardest
b)
hardest, softest
27.
The way a surface reflects light.
a)
color
b)
luster
c)
streak
d)
density
28.
Outside appearance of a mineral.
a)
streak
b)
hardness
c)
color
d)
breakage
29.

#1 Show all your work on your answer document. speed = distance/time

a)

2 m/s

b)

0.5 m/s

c)

2 mi/hr

d)

500 m/s

30.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
31.

A substance that is dull, brittle, and a nonconductor would be classified as a

a)

metal

b)

nonnmetal

c)

metalloid

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