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Chem 1 Test

Total questions: 50

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What does the blue color on the NFPA diamond stand for?

a)

Special Information

b)

Health Hazard

c)

Flammability Hazard

d)

Reactivity Hazard

2.

What does the white color on the NFPA diamond stand for?

a)

Special Information Hazard

b)

Health Hazard

c)

Flammability Hazard

d)

Reactivity Hazard

3.

What does the red color on the NFPA diamond stand for?

a)

Special Hazard

b)

Health Hazard

c)

Flammability Hazard

d)

Reactivity Hazard

4.

What does the yellow color on the NFPA diamond stand for?

a)

Reactivity Hazard

b)

Radioactivity Hazard

c)

Flammability Hazard

d)

Health Hazard

5.
Which hazard does this pictogram represent?
a)
Flammable
b)
Oxidizing
c)
Health Hazard
d)
Danger to the Environment
6.
Which hazard does this pictogram represent?
a)
Compressed Gas
b)
Health Hazard
c)
Corrosive
d)
Toxic
7.
Which hazard does this pictogram represent?
a)
Health Hazard
b)
Danger to the Environment
c)
Toxic
d)
Oxidizing
8.
Safety Data Sheets provide some basic health information in addition to information about chemicals.
a)
True
b)
False
9.
Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
10.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
11.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
12.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Who set up the experiment (Ms. S, etc)
13.
In order to earn extra spending money, Dalton babysits children after school. The greater the number of hours he babysits, the more money he earns.
h = the number of hours Dalton babysits
m = the amount of money Dalton earns
Which of the variables is dependent?
a)
h
b)
m
14.
a)
The dependent variable is total cost
b)
The dependent variable is weight
c)
The independent variable is total cost
d)
The independent variable is cost of a package
15.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
16.
How many independent variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
17.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
18.
What is the factor that an experimenter changes on purpose?
a)
Dependent Variable
b)
Independent Variable
c)
Constant
d)
Control
19.
The part of the experiment that does not contain the independent variable. Used for comparison.
a)
Control Group
b)
Experimental Group
c)
Results
d)
Data
20.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
21.
An explanation of why something occurs in the natural world
a)
theory
b)
law
c)
hypothesis
d)
predicition
22.
The systematic study of nature is
a)
English
b)
Science
c)
Math
d)
History
23.
Turner almost wished that he hadn’t listened to the radio. He went to the closet and grabbed his umbrella. He would feel silly carrying it to the bus stop on such a sunny morning.
Which probably happened?
a)
Turner realized that he had an unnatural fear of falling radio parts.
b)
Turner had promised himself to do something silly that morning.
c)
Turner had heard a weather forecast that predicted rain.
d)
Turner planned to trade his umbrella for a bus ride.
24.
No, Honey, I don’t want you to spend a lot of money on my birthday present. Just having you for a husband is the only gift I need. In fact, I’ll just drive my old rusty bucket of bolts down to the mall and buy myself a little present. And if the poor old car doesn't break down, I’ll be back soon.
What is the message?
a)
I don't want a gift.
b)
Buy me a new car.
c)
The mall is fun.
d)
I'll carry a bucket for you.
25.
As an architect, Thomas Jefferson preferred the Roman style, as seen in the buildings of the University of Virginia, to the English style favored by Charles Bullfinch. 
a)
The architecture of the University of Virginia was influenced by the Roman style. 
b)
Bullfinch was an English architect. 
c)
Jefferson preferred to build in the English style of architecture. 
26.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
27.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
28.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
29.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
30.
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
31.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
32.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
33.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
34.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
35.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
36.
What is the volume of water in this graduated cylinder?
a)
47 mL
b)
50 mL
c)
45 mL
d)
45.4 mL
37.

What is the volume of the fish?

a)

3

b)

4

c)

5

d)

6

38.
What tool is used to measure the mass of an object?
a)
meter stick
b)
graduated cylinder
c)
spring scale
d)
balance
39.
There are ___ millimeters in 7.3 centimeters
a)
730
b)
.73
c)
73
d)
.073
40.
If you are converting from dm to hm, how many places and in what direction do you have to move the decimal?
a)
3 right
b)
3 left
c)
2 right
d)
2 left
41.

How many sig figs are in the following measurements?

010 L

a)

1

b)

2

c)

3

d)

0

42.

How many sig figs are in the following measurements?

907.0 km

a)

1

b)

2

c)

3

d)

4

43.

How many sig figs are in the following measurements?

2.4050 X 10-3

a)

1

b)

2

c)

3

d)

4

e)

5

44.

How many sig figs are in the following measurements?

300 100 000 g

a)

0

b)

2

c)

4

d)

9

45.

The standard temperature of boiling water is 100oC. Which thermometer is the most accurate and precise?

a)

1

b)

2

c)

3

d)

4

e)

None of the thermometers are accurate and precise.

46.

Complete the following calculations. Round off your answers as needed.

52.6 g + 309.1 g +77.214 g

a)

438.9

b)

438.914

c)

438.91

d)

4.38914 x 102

47.

Steve plats a ball toss game. He stands at the starting point and throws the ball into a basket 10 feet away. The height of the ball (perpendicular distance from the ground) is a function of the horizontal distance from the starting point. The table below shows the relationship of the height of the ball and the horizontal distance from the starting point that the ball has traveled. (Determine which statement(s) is/are true.)

a)

The height of the ball decreased from when the ball was at a distance of 2.5 feet from the starting point to a distance of 5 feet from the starting point.

b)

The starting and ending heights are equivalent.

c)

The highest point reached by the ball was 6.8

48.

Jared measured the total height of the water in a bucket at different times during a rainfall. He displays his data using the graph shown. Select ALL the conclusions that Jared can correctly make using the graph.

a)

The height of the water in the bucket increases 1/2 inch every minute.

b)

The height of the water in the bucket increases at a rate of 3 inches per hour.

c)

In the first 20 minutes, the height of the water increases by 2 inches.

d)

It takes 60 minutes for the height of the water to increase by 4 inches.

e)

There is already 1 inch of water in the bucket when Jared places it outside.

49.

This graph shows the population of the town of Golden Hills, modeled as a function of time since the town's found.

a)

The population is increasing throughout the time period.

b)

The greatest growth in population was from year 5 to 15.

c)

The population has a constant rate of change.

d)

The population was about 9,000 when the town was founded.

50.

Hannah makes cloth bags and sells them online. She made a graph to show the number of orders she has received in each of the first 10 weeks since she started selling them. (Determine which statement(s) is/are true.)

a)

Hannah's orders increased by the greatest amount between weeks 7 and 8.

b)

Hannah's orders increased at an average rate of 0.7777 orders per week from week 1 and week 10.

c)

Hannah's orders will continue to decrease after week 10.

d)

Hannah received a total of more than 60 orders in the first 10 weeks.

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