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INT. SCI. Unit 1 Practice Test

Total questions: 57

Worksheet time: 58mins

Name
Class
Date
1.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

2.

How many independent variables should you have in an experiment?

a)

two

b)

as many as possible

c)

four

d)

one

3.

Which are part of the scientific method?

a)

Identify the Problem

b)

Perform an Experiment

c)

Form a Hypothesis

d)

Collect lots of money

e)

Communicate the Results

4.

What is an independent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

5.

What is an dependent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

6.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
7.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
8.

What is the first step in the scientific method?

a)

Data

b)

Conclusion

c)

No Horse Play

d)

Observe a problem

9.

What does C mean in CER?

(a)  

10.

What does E mean in CER?

(a)  

11.

What does R mean in CER?

(a)  

12.

Why do you need to include reasoning in your CER?

a)

It shows how or why the evidence supports the claim

b)

It provides justification about why the evidence is important

c)

It includes the scientific principle to support the claim

d)

All of the above

13.

Which category is NOT part of the natural sciences?

a)

Geology

b)

Earth Science

c)

Physical Science

d)

Astronomy

14.

Lilly was trying to explain to her friend the difference between a theory and a law in science. She used the theory of plate tectonics and the law of superposition as examples. Lilli explained the difference by using non-scientific language. Which statement could Lilly use to correctly describe the difference between a theory and a law in science?

a)

A theory describes a natural event, while a law explains it.

b)

A theory explains a natural event, while a law predicts it.

c)

A theory explains a natural event, while a law describes it.

d)

A theory predicts a natural event, while a law explains it.

15.
Scientific theories are based on
a)
general assumptions of how systems work.
b)
mathematical principles that can be proven true.
c)
large amounts of data collected over time.
d)
observations from within only one scientific discipline.
16.
Scientific theories do not change once they have been written down.
a)
True
b)
False
17.

Which of these can change when new evidence is presented?

a)

theory

b)

law

18.

Which of these can be represented mathematically and provide no explanation why a phenomenon occurs?

a)

theory

b)

law

19.
What is a law?
a)
Describes what happens
b)
Explains a process
20.

A description or summary of a specific phenomena in the natural world

a)

Theory

b)

Law

c)

Hypothesis

d)

Empirical Evidence

21.

This is a well supported explanation of nature

a)

Theory

b)

Law

c)

Hypothesis

d)

Empirical Evidence

22.

This is all the measurements and data scientists gather in support of an explanation. This should be almost the same for anyone observes it.

a)

Theory

b)

Law

c)

Hypothesis

d)

Empirical Evidence

23.

This is an organized procedure to study something under controlled conditions. This mostly is done in a laboratory setting.

a)

Observation

b)

Experiment

c)

Hypothesis

d)

Data

24.

Identify the correct order of the scientific method.

a)

Conclusion, Hypothesis, Observation, Experiment,

Retest,

Data Collection

b)

Observation, Hypothesis, Experiment, Data Collection, Conclusion,

Retest

c)

Hypothesis, Experiment, Observation,

Data Collection,

Retest,

Conclusion

d)

Data Collection, Hypothesis,

Observation, Conclusion,

Retest,

Experiment

25.

One benefit of working in a laboratory setting is

a)

Controlled environment

b)

You get to meet new friends

c)

It is cheaper in terms of cost

d)

It allows the natural setting to be incorporated into the experiment

26.
Which statement best describes the trend in the data?
a)
As temperatures increase, ice cream cone sales increase.
b)
As temperatures increase, ice cream cone sales decrease.
c)
As temperatures decrease, ice cream cone sales increase.
d)
There is no trend in the data.
27.
What month has the least birthdays ?
a)
Dec
b)
Aug
c)
Jan
d)
Sep
28.
What does the
Y axis say?
a)
Number of people
b)
Character
c)
Favorite Cartoon Characters
d)
Sponge Bob
29.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

30.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

31.
What type of graph is this?
a)
Bar graph
b)
Histogram
c)
Pie Chart
d)
Stem Chart
32.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

33.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

34.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

35.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

36.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

37.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

38.
Which type of graph is this?
a)
Histogram
b)
Bar Graph
c)
Stem Plot
d)
Box Plot
39.
What type of graph is this?
a)
Bar graph
b)
Histogram
c)
Pie Chart
d)
Stem Chart
40.
What is the title of the graph?
a)
Number of people
b)
Character
c)
Favorite Cartoon Characters
d)
Sponge Bob
41.
Which type of graph shows change over time?
a)
bar graph
b)
line graph
c)
circle graph
42.
How many total votes were collected?
a)
5
b)
10
c)
15
d)
20
43.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
44.
How many more people like purple than red?
a)
3
b)
5
c)
7
d)
9
45.
What type of graph is this?
a)
Line Graph
b)
Pictograph
c)
Bar Graph
d)
Histogram
46.
A pie chart allows you to easily see
a)
information about the proportion of parts relative to the whole.
b)
the total number of each category.
c)
how much data occurs within a range of numbers.
d)
the spread of the data.
47.
How many students take the bus to school?
a)
35
b)
20
c)
10
d)
15
48.
According to this graph, what is the most popular flavor of Jolly Rancher?
a)
Cherry
b)
Grape 
c)
Blue Raspberry
d)
Watermelon
49.
People buy more drinks on ____ than any other day.
a)
Monday
b)
Tuesday
c)
Thursday
d)
Friday
50.
What type of graph is this?
a)
Bar Graph
b)
Histogram
c)
Line Plot
51.

Is a histogram the same as a bar graph?

a)

Yes, because they both use intervals.

b)

No, because a histogram displays numerical data while a bar graph displays categorical data.

c)

Yes, because they both use bars to display data.

d)

No, because a histogram displays categorical data while a bar graph displays numerical data.

52.
What is the main goal of the design process?
a)
to write reports
b)
to make things
c)
to make charts and graphs
d)
to find solutions to problems
53.
What is the first step in engineering?
a)
define the problem
b)
build a prototype
c)
identify criteria
d)
share results
54.

A prototype is

a)

a criteria

b)

a germ

c)

a robot

d)

a working model

55.

Repetition is when one scientist

a)

copies another scientist's experiment.

b)

bumps into another scientists.

c)

repeats their own experiment several times.

d)

clones a T. rex.

56.
Anthony was given a set of 5 metal cubes. He calculated the densities of each to determine the type of metal in each. The densities were really close to each other, so he asked his friend Robert to do the same experiment and see if he gets the same results.
a)
repetition
b)
replication
57.

What are constraints?

a)

sharing ideas

b)

guidelines that are needed to be successful

c)

factors that limit what can be done

d)

a model of a new design

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