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WorksheetsEWMS: Science, Technology, and Engineering
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
In a valid scientific experiment, how many independent variables should be tested?
a)
1
b)
2
c)
3
d)
as many as possible
2.
How do scientists test a hypothesis?
a)
F
formulating questions
formulating questions
b)
designing models
c)
conducting an experiment
d)
drawing conclusions
3.
Which statement is usually the first step in the scientific method?
a)
testing a hypothesis
b)
making an observation that makes you question
c)
forming a hypothesis
d)
collecting data
4.
Match the form of measurement with the scientific tool pictured.
a)
length
b)
time
c)
mass
d)
volume
5.
Match the form of measurement with the scientific tool pictured.
a)
length
b)
time
c)
mass
d)
temperature
6.
Match the form of measurement with the scientific tool pictured.
a)
length
b)
time
c)
temperature
d)
mass
7.
Which statement best describes the purpose of the scientific method?
a)
uses critical thinking to solve scientific problems
b)
a general description of scientific thinking
c)
used to find and evaluate possible answers to problems
d)
all of the above
8.
Which type of graph is best for comparing sets of data?
a)
line
b)
bar
c)
box and whisker
d)
pie or circle
9.
In science, the "label" or unit for mass is called _____.
a)
gram (g)
b)
celsius (C)
c)
liter (L)
d)
meter (m)
10.
Ralphie is studying the planets and their movement in the solar system. If he uses the item in the illustration, which of these phrases best describes what Ralphie is doing?
a)
collecting data
b)
taking measurements
c)
using a model
d)
conducting experiments
11.
Which of these could be described as a technological process?
a)
biologists' knowledge of how viruses work
b)
the way in which stem cells are harvested for research
c)
the researchers who work to develop synthetic fuels
d)
the change that occurs when plants use sunlight to make food
12.
When designing an experiment, which of the following describes the variable being changed?
a)
the control variable
b)
the dependent variable
c)
the independent variable
d)
the experimental variable
13.
You are conducting an experiment in which you measure changes in a person's body temperature in response to changes in the air temperature around the person. Which of the following is the independent variable?
a)
air temperature
b)
person's body temperature
c)
size of the person
d)
size of the room the person is in
14.
The QUEEN wants to know which of three lightbulbs lasts the longest. In her lab journal she writes that based on the datum the lightbulb with the lowest wattage will last the longest. Which part of the investigation has she written?
a)
question
b)
prediction
c)
analysis of data
d)
conclusion
15.
The KING has decided to study the effects of light on plant growth. During his experiment, he measures the height of his control plants and his experimental plants. of which step of the scientific method is this an example?
a)
testing the hypothesis
b)
creating a hypothesis
c)
collecting data
d)
analyzing data
16.
Which of the following tools should be used to measure the volume of a fluid?
a)
graduated cylinder
b)
triple beam balance
c)
stopwatch
d)
thermometer
17.
Cara wants to compare the masses of two different mineral samples. Which tool would be the best to use?
a)
triple beam balance
b)
spring scale
c)
graduated cylinder
d)
beaker
18.
Which tool is used to measure the weight of an object?
a)
triple beam balance
b)
thermometer
c)
graduated cylinder
d)
spring scale
19.
Which of the following could result if a chemical is improperly heated?
a)
broken glass
b)
harm to an animal
c)
fire or fumes
d)
an electrical fire
20.
Which of these is best shown by a circle graph?
a)
how variables relate to each other
b)
the fractional parts of a whole
c)
data that is changing over time
d)
how sets of data compare to each other
21.
Which of the following questions could lead to a scientific investigation?
a)
How does acid rain affect plant growth?
b)
How can organisms find more attractive mates?
c)
How can an organisms produce happier offspring?
d)
How do a person's beliefs affect eternal life?
22.
You need to measure the mass of sugar for an experiment. Which tool should you use?
a)
teaspoon
b)
graduated cylinder
c)
beaker
d)
triple beam balance
23.
In which situation should you use safety equipment such goggles and aprons?
a)
in a learning center where you are using a microscope to look at fixed specimens on slides
b)
in the woods when collecting fungus samples
c)
when using sharp instruments like scalpels and glassware during a dissection lab
d)
in the classroom when the teacher is demonstrating how to measure the mass of salt
24.
Which scientific tool would you use to measure the volume of a small rock?
a)
graduated cylinder
b)
ruler
c)
pan balance
d)
thermometer
25.
Symbols are used to remind us of safety precautions in the lab. Which of the following descriptions match this safety symbol?
a)
breakable glassware
b)
chemical poisoning
c)
sharp objects
d)
flammable material
26.
What should you do if you spill a chemical during lab class?
a)
put water on it
b)
mop it into a bucket
c)
clean with paper towels wiping "out to in"
d)
ignore it and leave it for someone else to clean up
27.
What is bias?
a)
a standard of conduct and moral behavior
b)
information based only on facts
c)
a personal prejudice or slanted point of view
d)
a process in which scientific information is evaluated
28.
What should a scientist NEVER do when communicating their findings?
a)
reject a hypothesis
b)
throw out data that does not agree with the hypothesis
c)
reveal how an experiment was conducted
d)
acknowledge the contributions of other scientists
29.
A researcher claims that he has developed a new drug for treating patients with asthma. Why is it important for the researcher to communicate the results of his research to others?
a)
so that others can repeat and validate the results
b)
so that others can try to prove the research wrong
c)
so that the results can be published in science journals
d)
so that others can share in the profits made by selling the new drug
30.
Which of the following is not a source of bias in scientific investigations?
a)
reporting only the interesting data
b)
introducing personal opinions
c)
omitting a control group
d)
submitting a paper for peer review
31.
Identify the items that are NOT empirical evidence.
a)
observations
b)
measurements using tools
c)
beliefs and feelings
d)
data tables
32.
Identify a way for a scientist to show creativity in the scientific method.
a)
in designing an experiment
b)
in artwork created in the lab
c)
in the stories they make up in their lab conclusions
d)
in the amount of color they use in their graphs
33.
Identify the observation.
a)
The school bus parked outside is yellow.
b)
The library curtains are beautiful.
c)
Math is the best class ever.
d)
School will be cancelled on December 3rd because it snows a lot in
December.
34.
How do scientists organize the data they collect during an experiment?
a)
on scrap paper
b)
rely on memory
c)
it is not a part of conducting an experiment
d)
in data tables
35.
Identify one way to insure a good scientific investigation.
a)
tell everyone what you know
b)
repeat and replicate results
c)
get a college degree
d)
use many independent variables in your experiment
36.
What system of measurement is used in the scientific world?
a)
english system
b)
any type the scientist is most comfortable using
c)
International system of measurements (SI)
d)
there is no standard system of measurement
37.
What type of relationship does the data is the table show?
a)
DIRECT
b)
INDIRECT
38.
What type of relationship does the data is the table show?
a)
DIRECT
b)
INDIRECT
39.
Compare the scientific method and the engineering design process. Find a way they are different.
a)
conduct research
b)
communicate results
c)
test and experiment
d)
build prototypes
40.
What is a prototype?
a)
a working model that engineers use to test a design
b)
an engineering form of communication to others
c)
a type of variable in a lab experiment
d)
a method used in graphing scientific data
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