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Year 8 Science Quiz!

Total questions: 20

Worksheet time: 17mins

Name
Class
Date
1.

A line graph is used when which of the following is true?

a)

An independent variable is continuous

b)

An independent variable is not continuous

c)

A dependent variable is not continuous

d)

No variable is continuous

2.

The X axis is labeled with

a)

the control variable

b)

the independent variable

c)

the sample variable

d)

dependent variable

3.
The Y axis is labeled with the
a)
control variable
b)
independent variable
c)
sample variable
d)
dependent variable
4.
What choice would you not identify by using a line graph?
a)
trends
b)
conclusions
c)
make predictions
d)
recognize anomalous data
5.
A graph is a ___________ of your data
a)
description
b)
variable
c)
answer
d)
picture
6.
Which is correct?
a)
the independent variable is distance
b)
the dependent variable is distance
7.
What type of graph shows change over time?
a)
Circle Graph
b)
Bar Graph
c)
Trend Graph
d)
Line Graph
8.
Bar graphs are used to best represent what type of data?
a)
Change over Time
b)
Trends over Time
c)
Categories of Information(Comparisons)
d)
Percentages
9.
Which letter represents the intervals/increments on a graph?
a)
letter A
b)
letter B
c)
letter C
d)
letter E
10.
Which letter represents the x-axis?
a)
letter A
b)
letter B
c)
letter C
d)
letter E
11.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
12.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters. 
a)
150 pages
b)
170 pages
c)
190 pages
d)
210 pages
13.

Best lines of fit have to go through the point of origin

a)

True

b)

False

14.

Extending a line of fit is called...

a)

Extension

b)

Extrapolation

c)

Enlargement

d)

Engagement

15.

In a fair test you should...

a)

only change one thing

b)

change everything

c)

change nothing

16.

A prediction that can be tested by an experiment

a)

data

b)

theory

c)

hypothesis

d)

fact

17.

The summary at the end of an experiment that explains the results.

a)

conclusion

b)

procedures

c)

materials

d)

hypothesis

18.

Which of these three dataset has the strongest correlation?

a)

The data in graph B has the strongest correlation because the data points are not too closely clustered around the imagined line of best fit.

b)

None of these graphs has a correlation

c)

The data in graph A has the strongest correlation because the data points are very closely and linear clustered around the imagined line of best fit.

d)

The data in graph A has the strongest correlation because the data points are clustered in a cloud surrounding the imagined line of best fit.

19.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
20.
What do atoms contain?
a)
elements, neutrons, and bonds
b)
protons, neutrons, and electrons
c)
protons, molecules, and elements
d)
electrons, protons, and bonds