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PS Chapter 1

Total questions: 70

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
2.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
d)
I don't know.
3.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
 to avoid eye strain
b)
to improve your vision
c)
only if you don’t have corrective glasses
d)
 any time chemicals, heat or glassware are used
4.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
5.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
6.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
hypothesis
7.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
apply first aid yourself
b)
tell the science instructor at once
c)
see a doctor after school
d)
visit the school nurse after class
8.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
9.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
10.
 The following footwear is best in the laboratory. 
a)
shoes appropriate for the weather
b)
open-toed shoes
c)
closed-toed shoes
d)
sandals
11.
You are heating a substance in a test tube. Always point the open end of the tube 
a)
away from all people
b)
toward another classmate
c)
toward your lab partner
d)
toward yourself
12.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
13.
Before leaving the lab you should always wash or sanitize your hands.
a)
True 
b)
False
14.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
15.

Where should bags/backpacks be placed during a lab?

a)

in the aisle

b)

out of the way

c)

right beside your experiment

16.
5 gallons to ? L 
1gal = 3.785 L
a)
18.95
b)
.1895
c)
1895
d)
1895000
17.
211 lb=? kg
1kg =2.2 lb
a)
95794.0
b)
95.90
c)
9.59x10^-11
d)
.9590
18.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
19.
The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
20.
Convert 4.80 cm to mm. 
a)
4.80 mm
b)
48 mm
c)
480 mm
d)
4800 mm
21.
The prefix "milli" means:
a)
1000
b)
1/1000
c)
1,000,000
d)
1/1,000,000
22.
What unit is the largest unit
a)
hm
b)
cg
c)
g
d)
dm
23.
Convert 23 cm to m
a)
2.3
b)
0.23
c)
2,300
d)
230
24.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
25.
What does the term kilo mean?
a)
100
b)
10
c)
.001
d)
1000
26.
m stands for....
a)
millimeter
b)
meter
c)
centimeter
d)
Liter
27.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
28.
1 Meter = ______cm
a)
100
b)
10
c)
1
d)
1000
29.
9.2 Km = ______m
a)
92
b)
920
c)
0.92
d)
9200
30.

Which is an example of an qualitative observation?

a)

There is 13 trees

b)

There are red, blue, and yellow birds

31.

Select ALL the observations of this picture.

a)

The donkey is heavy

b)

His shirt is red

c)

He is stealing the donkey

d)

There is a rope

32.

The variable(s) you keep the same in a science experiment

a)

Independent variable

b)

Dependent variable

c)

Control variable

33.

Select all the things required in a bar graph.

a)

Label horizontal axis

b)

Label the vertical axis

c)

Number the intervals (equal)

d)

Title

34.

Identify the Independent variable from this question......

What brand of bleach whitens spaghetti stains on clothes better?

a)

Clothes whiteness

b)

Stains

c)

Brand of bleach

d)

None of the above

35.

Identify the dependent variable from this question......

Which makes water freeze faster salt or sugar

a)

how fast the water freezes

b)

salt

c)

sugar

d)

None of the above

36.

Select the lab safety rules that are being broken

a)

No eating & drinking in the lab

b)

Alway keep aisles clear

c)

Anytime a chemical, heat, or glassware are used lab safety goggles are required.

d)

Dress properly

37.

What are the first and last steps of the scientific method?

a)

Hypothesis

b)

Research

c)

Question

d)

Conclusion

38.

When you draw a conclusion you should always accept or reject what?

a)

analysis

b)

question

c)

hypothesis

d)

data

39.

I opened the cabinet and a smell hit me like a ton of bricks. An entire loaf of bread was molded. I wonder if bread molds faster in the direct sunlight or in darkness.


Which is a correct hypothesis statement?

a)

Bread molds faster in the sunlight

b)

If I put bread in the sun then it will mold faster.

c)

Bread molds either way

d)

None of the above

40.

What are the interval(s) of this line graph

a)

20

b)

40

c)

60

d)

80

41.

Select all the quantitative examples

a)

The flower is red

b)

Georges car is fifteen years old

c)

you have 4 sisters

d)

My fingernail is super long

e)

The dog weighs 20 lbs

42.
Mr. S. sets 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)
weight of the ball
43.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
44.
Jane Goodall recorded 40 chimps living in a community, this is ____ data.
a)
quantitative
b)
qualitative
c)
observation
d)
field study
45.

Mrs. S wants to see if the type of fertilizer affects the height of a sunflower plant. What is the dependent variable?

a)

type of fertilizer

b)

height of the sunflower plant

c)

amount of fertilizer

d)

health of the sunflower plant

46.
What is volume?
a)
the distance between two points
b)
the amount of matter (stuff) in an object
c)
the amount of space an object takes up
d)
the distance between three points
47.
What is mass?
a)
the distance between two points
b)
the amount of matter (stuff) in an object
c)
the amount of space an object takes up
d)
the distance between three points
48.

The base unit for liquid volume is the

a)

second

b)

gram

c)

meter

d)

liter

49.

The prefix m represents?

a)

milli

b)

meter

c)

mass

d)

multiply

50.
What is the volume?
a)
63 mL
b)
6.6 mL
c)
6.8 mL
d)
7 mL
51.
What is the volume of Object X?
a)
90.0  cm3
b)
90.0 mL
c)
25.0 mL
d)
25.0 cm3
52.

Which of the following is the best option for a hypothesis?

a)

If I wash my hands, I will be less likely to get sick

b)

If I get sick, I should wash my hands more

c)

If I wash my hands twice a day, then I will take less days off from work in a given year.

d)

If I wash my hands, then I will feel better

53.
What tool do we use to measure liquid volume?
a)
graduated cylinder
b)
beaker
c)
metric ruler 
d)
balance
54.

What is the measurement system that scientists use?

a)

The Metric System

b)

The Customary System

55.

What is the volume of the fish?

a)

18.0 cm3

b)

6.0 cm3

c)

38.0 cm3

d)

8.0 cm3

56.

What tool do we use to mass in the metric system?

a)

Thermometer

b)

Scale

c)

Graduated Cylinder

d)

Meter stick

57.
What tool do we use to measure temperature in the metric system? 
a)
Graduated Cylinder 
b)
Thermometer
c)
Metric Ruler
d)
Scale 
58.

The metric unit for length is:

a)

Inches

b)

Gram

c)

Meter

d)

Liters

59.
Which is NOT a part of the metric system? 
a)
Inches
b)
Liters
c)
Grams
d)
Meters 
60.
What is the length of the screw?
a)
5cm
b)
6cm
c)
5mm
d)
6m
61.

Which of the following would you measure using millimeters?

a)

length of a semi-truck

b)

distance across a state

c)

length of a caterpillar

d)

thickness of an earlobe

62.

What unit of measurement is used to measure temperature in the Metric System.

a)

degrees Celsius

b)

milliliters

c)

degrees Fahrenheit

d)

grams

63.
Horseplay, jokes, and pranks are appropriate in the science classroom at any time.
a)
True
b)
False
64.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
65.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
66.
Which of the following IS considered safety equipment in our classroom?
a)
Eyewash Station
b)
Emergency Shower
c)
Fire Extinguisher
d)
All of the Above.
67.
Helping to clean up the lab or classroom is the job of
a)
old students.
b)
transfer students.
c)
each and every student.
d)
only the teacher.
68.
How many gallons are in 64 quarts?
a)
16gal
b)
.25gal
c)
.75gal
d)
1.5gal
69.

The length of a desk is 3.5 feet. How many centimeters is the length?

(2.54 cm =1 inch)

a)

60

b)

120.23

c)

106.68

d)

117.12

70.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False

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