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Scientific Lab Practices Test Review

Total questions: 88

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

What is a hypothesis?

a)

A hypothesis is a conclusion drawn from a single observation.

b)

A hypothesis is a random guess with no basis in evidence.

c)

A hypothesis is a proposed explanation or prediction that can be tested through experimentation or observation.

d)

A hypothesis is a proven fact that does not require any testing.

2.

What is the purpose of a conclusion in a scientific experiment?

a)

To summarize findings and determine if the hypothesis was supported or rejected.

b)

To provide a detailed explanation of the experimental procedure.

c)

To propose new hypotheses for future experiments.

d)

To present additional data that was not included in the results.

3.

What is a control group in an experiment?

a)

A control group is a group that is not exposed to the independent variable being tested.

b)

A control group is a group that is exposed to the independent variable being tested.

c)

A control group is a group that is exposed to all variables being tested.

d)

A control group is a group that is not exposed to any variable being tested.

4.

What are variables in the scientific method?

a)

Factors that can be changed or manipulated in an experiment to test their effect on the outcome.

b)

Factors that are only used in qualitative research.

c)

Factors that are not relevant to the experiment.

d)

Factors that cannot be changed or manipulated in an experiment.

5.

What is the importance of experimental design in scientific research?

a)

Experimental design is important in scientific research because it helps ensure reliable and valid results.

b)

Experimental design is not important in scientific research.

c)

Experimental design only applies to certain types of scientific research.

d)

Experimental design is only important for experienced scientists.

6.

Which step of the scientific method involves making predictions based on the hypothesis?

a)

Prediction

b)

Observation

c)

Experimentation

d)

Conclusion

7.

What is the difference between independent and dependent variables?

a)

The independent variable is the outcome of the experiment, while the dependent variable is the cause.

b)

The independent variable is manipulated by the researcher, while the dependent variable is measured or observed and is affected by the independent variable.

c)

The dependent variable is manipulated by the researcher, while the independent variable is measured or observed and is affected by the dependent variable.

d)

The dependent variable is controlled by the researcher, while the independent variable is influenced by external factors.

8.

Why is it important to have a control group in an experiment?

a)

To increase the sample size and improve the statistical significance.

b)

To ensure that the experiment is fair and unbiased.

c)

To make the experiment more interesting and engaging for participants.

d)

To provide a baseline for comparison and determine the effects of the treatment.

9.

What is the difference between qualitative and quantitative research?

a)

Qualitative research focuses on numerical data, while quantitative research focuses on descriptive data.

b)

Qualitative research is based on observations and interviews, while quantitative research is based on statistical analysis.

c)

Qualitative research is more objective, while quantitative research is more subjective.

d)

Qualitative research is used for experiments, while quantitative research is used for surveys.

10.

What is the purpose of a hypothesis in a scientific experiment?

a)

To summarize findings and determine if the conclusion was supported or rejected.

b)

To provide a detailed explanation of the experimental procedure.

c)

To propose new hypotheses for future experiments.

d)

To present additional data that was not included in the results.

11.

Which step of the scientific method involves analyzing the data collected during the experiment?

a)

Observation

b)

Analysis

c)

Experimentation

d)

Conclusion

12.

What is the significance of peer review in scientific research?

a)

Peer review helps ensure the quality and validity of research findings.

b)

Peer review is not important in scientific research.

c)

Peer review only applies to certain types of scientific research.

d)

Peer review is only important for experienced scientists.

13.

What is an experimental group in an experiment?

a)

An experimental group is a group that is not exposed to the independent variable being tested.

b)

An experimental group is a group that is exposed to the independent variable being tested.

c)

An experimental group is a group that is exposed to all variables being tested.

d)

An experimental group is a group that is not exposed to any variable being tested.

14.

How many significant figures does this measurement have?  

9.340 kg



(a)  

15.

Round 1.00059832 to 4 significant figures.

(a)  

16.

Round 890.6319 to 3 significant figures.



(a)  

17.

Round 0.0529 to 1 significant figure.



(a)  

18.

Round 0.0529 to 1 significant figure.



(a)  

19.

How many significant figures does this measurement have?  

75,000.0 mm

(a)  

20.

How many significant figures does this measurement have?  

0.00903 hm

(a)  

21.

How many significant figures does this measurement have?  

250 m

(a)  

22.

What is an independent variable?

a)

the variable that changes because another variable changes

b)

independent variables are only found on pie charts.

c)

a variable most often found on the y-axis

d)

the variable the experimenter manipulates or has control over

23.

The variable that is measured throughout the experiment is the ________________

Hint: What you are testing and change as a result of your testing.

a)

Controlled Variable

b)

Responsive Variable

c)

Dependent Variable

d)

Independent Variable

24.
How many push-ups were done on Monday?
a)
5
b)
10
c)
15
d)
20
25.
Which day had more minutes of homework?
a)
Wednesday
b)
Thursday
c)
Friday
d)
Ms. Jones
26.

What do we put at the top of a graph?

a)

X axis

b)

data table

c)

title

d)

nothing

27.
Does the Y-Axis have to have a label?
a)
yes
b)
no
28.
There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?
a)
quantitative
b)
qualitative
29.
There are two types of data. Which type of data involves descriptions that cannot be counted or measured?
a)
qualitative
b)
quantitative
30.
Which of the following is an example of qualitative data?
a)
the color of the fur of an animal
b)
the mating behavior of an animal
c)
the average number of offspring that an organism has
d)
the description of an odor that a chemical produces
31.
What is the Responding (Dependent) Variable in this graph?
a)
Plant Growth
b)
Growth (cm)
c)
Hours
d)
15
32.
A young student wants to measure the percent time a dog spends sleeping, playing, and eating over the course of one day.  What type of graph should this student make once all of the data is collected?
a)
pie/circle
b)
bar
c)
line
d)
scatter plot
33.
Sandy wants to determine which depth of water produces the biggest flowers.  Which graph would best display her data?
a)
Bar Graph
b)
Line Graph
c)
Pie Graph
34.

What would the INDEPENDENT variable be in an experiment testing which paper airplane design goes the furthest when thrown?

a)

the paper used

b)

the paper airplane design

c)

the distance of each plane's flight

d)

how hard the plane is thrown

35.

What would the DEPENDENT variable be in an experiment testing which paper airplane design goes the furthest when thrown?

a)

the paper used

b)

the paper airplane design

c)

the distance of each plane's flight

d)

how hard the plane is thrown

36.

What would the CONTROL variable be in an experiment testing which paper airplane design goes the furthest when thrown?

a)

the paper used

b)

the paper airplane design

c)

the distance of each plane's flight

d)

how time it takes to lang

37.

What type of graph shows change over time?

a)
b)
c)
d)
38.

Describe the trend shown in the graph.

a)

As the volume decreases, the mass stays the same.

b)

As the mass decreases, the volume increases.

c)

As the volume increases, the mass increases.

d)

As the mass increases, the volume stays the same.

39.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The deer population went up quickly, then down, but then stayed the same.

d)

There are less deer because of hunters

40.

The graph shows the number of inches a plant grew each week.

Between which 2 weeks did the plant grow the MOST?

a)

Week 1 and Week 2

b)

Week 2 and Week 3

c)

Week 3 and Week 4

d)

Week 4 and Week 5

41.
This graph provides evidence to support the claim that
a)
the enhanced greenhouse effect is occurring
b)
the greenhouse effect is occurring
c)
humans are changing the planet
d)
CO2 is decreasing but temperature is increasing
42.
The x-axis shows
a)
time
b)
temperature
c)
carbon dioxide
d)
parts per million
43.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
44.

the pie chart shows the different types of vehicles involved in road accidents in a city last years.

which type of vehicles had the highest number of road accidents last year?

a)

Motorcycle

b)

Cars

c)

Good Vehicles

d)

Buses

45.
True or False: Long hair MUST be tied back during a laboratory investigation.
a)
True
b)
False
46.
True or False: The wearing of flip flops and other open toed shoes are acceptable during a laboratory investigation during the hot summer months.
a)
True
b)
False
47.
If you spill or break something during an experiment, what is the FIRST thing you should do?
a)
Tell the teacher.
b)
Clean it up. 
c)
Cover it with a paper towel.
d)
Leave it for someone else.
48.
The lab equipment seen in the image should be worn during a lab investigation when...
a)
using glassware.
b)
using chemicals.
c)
using heat/fire.
d)
using any of the above.
49.
Identify the piece of lab equipment seen in the image.
a)
Erlenmeyer Flask
b)
Graduated Cylinder
c)
Beaker
d)
Test Tube
50.
Identify the primary function of the lab equipment seen in the image.
a)
Mixing liquids
b)
Measuring liquid volume
c)
Mixing solids
d)
Measuring mass
51.
Identify the primary function of the lab equipment seen in the image.
a)
Transfer small amounts of liquid
b)
Transfer large amounts of liquid
c)
Measure liquid volume
d)
Mixing liquid chemicals
52.
Identify the piece of lab equipment seen in the image.
a)
Pipets
b)
Test Tubes
c)
Forceps
d)
Scoopulas
53.
True or False: If you see something dangerous taking place during a lab,you should immediately tell the teacher.
a)
True
b)
False
54.
Which of the following should NOT be worn during a lab investigation?
a)
Flip flops
b)
Loose, long hair
c)
Dangling jewelry
d)
All of the above
55.
A beaker is used to measure volume in which metric unit?
a)
Milliliters (mL)
b)
Grams (g)
c)
Meters (m)
d)
Kilograms (kg)
56.
To be read accurately, one must place a graduated cylinder on a flat surface and measure at the bottom of the _______________ curve.
a)
Centrifugal
b)
Capillary
c)
Meniscus
d)
Infinity
57.
Identify the piece of lab equipment seen in the image.
a)
Microviewer
b)
Dissecting Scope
c)
Microscope
d)
Electron Imager
58.
A thermometer is used to measure temperature in which metric unit?
a)
Fahrenheit (°F)
b)
Celcius (°C)
c)
Kilometers (km)
d)
Liters (L)
59.

What is used to measure, heat, and mix large amounts of liquids?

a)

beaker

b)

flask

c)

test tube

d)

graduated cylinder

60.

Which equipment heats objects with an open flame?

a)

hot plate

b)

thermometer

c)

bunsen burner

d)

beaker

61.

This is used to pour lab materials into an object with a small opening

a)

scoop

b)

funnel

c)

bunsen burner

d)

goggles

62.

This is used to clean test tubes

a)

test tube brush

b)

ruler

c)

forceps

d)

test tube

63.
a)

stopper

b)

forceps

c)

tripod stand

d)

test tube holder

64.
a)

funnel

b)

test tube

c)

balance

d)

forceps

65.
a)

hat rack

b)

scale

c)

thingamabob

d)

test tube rack

66.

A bowl and club used for grinding

a)

erlenmyer flask

b)

test tube

c)

mortar and pestle

d)

petri dish

67.

Used to find the mass of an object

a)

meter stick

b)

digital scale

c)

petri dish

d)

triple beam balance

68.

Used on a scale to protect the scale from chemicals

a)

weigh boat

b)

plastic cup

c)

paper plate

d)

battle bus

69.

What is a claim?

a)

Answers a question or problem

b)

long and detailed paragraph

c)

Explains why something happened

70.

What is evidence ?

a)

Answers a question

b)

Anything you see, hear or read or experience that causes you to believe something is true.

c)

Long and detailed paragraph

71.

What is reasoning?

a)

Answers a question

b)

Explaining how evidence supports a claim

c)

Used to prove something true or false

72.

What is an example of a claim?

a)

Mrs. Bailey likes Star Wars

b)

In the fall, because of changes in the length of daylight and changes in temperature, the leaves stop their food-making process.

c)

The data shows that when leaves are taken away from sunlight, they change colors.

73.
According to the American Health Association, peanut butter is a great source of protein.
a)
Claim
b)
Evidence
74.

Peanut butter is a terrific snack.

a)

Claim

b)

Evidence

75.
What are good examples of Evidence to help support your claim?
a)
Research and survey results
b)
Statistics
c)
Expert opinions
d)
All of the above
76.
Which statement is relevant evidence?
a)
My family has a computer at home.
b)
My son loves Star Wars.
c)
In a recent study, 78% of students like community service.
d)
I believe that the steelers are the best football team in the NFL
77.
Most students participate in extracurricular activities and do not have time for community service.
a)
Claim statement
b)
Reasoning statement
c)
Evidence statement
d)
None of the above
78.

Evidence is your __________________

a)

Proof

b)

Question

c)

Reasoning

79.

Reasoning shows ______________ and _______________

a)

Questions and problems

b)

How and why

c)

Evidence and reasoning

80.
"Two out of three high school students fail to get enough sleep" is an example of:
a)
Claim
b)
Evidence
81.
"Sleepy students are more likely to be tardy, absent, inattentive in the morning and less able to learn" is an example of:
a)
Claim
b)
Reasoning
c)
Evidence
d)
None of these
82.
Has specific data, numbers, values, or qualitative descriptions. 
a)
Claim
b)
Evidence 
c)
Reasoning
d)
All
83.
Ties evidence to claim. 
a)
Claim
b)
Evidence 
c)
Reasoning
d)
All
84.

An author's statement that can be argued and proven with evidence is ______

a)

claim

b)

evidence

c)

reasoning

d)

theme

85.

The sentence that explains how or why the evidence supports a claim is ______

a)

claim

b)

evidence

c)

reasoning

d)

theme

86.

A reader MUST agree with the authors claim to be able to identify it in a text.

a)

TRUE

b)

FALSE

87.

What is a claim?

a)

Answers a question or problem

b)

long and detailed paragraph

c)

Explains why something happened

88.

What does CER stand for?

a)

Create Evaluate Respond

b)

Consider Evidence Relevant

c)

Claim Evidence Reasoning

d)

Cause Examine Real-life

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