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Test Review Sheet: Graphing, Analyzing Data, Mass, Length, Volume, and Density - Answers
Answers are in red.
Why would someone complete a graph? –
to display data collected during an experiment
What part of the graph tells what it is about?
title
What is the variable manipulated by the experimenter?
independent
What variable is the result of the independent variable?
Dependent
Why would someone put insert a legend into a graph?
If displaying two variables
In what cases would someone use a line graph?
To show data over time
In what cases would someone use a bar graph?
To compare sets of data
On the graph below, circle the title, put a square around the dependent variable, and put a triangle
around the independent variable.
9. What makes the metric system so easy to use?
Based on the power of ten and most countries uses it
10. What are the two reasons to learn about the metric system?
Easier to convert units and most of the world uses it
11. What does the prefix kilo mean?
1000
12. What does the prefix milli mean?
1/1000
13. What does the prefix centi mean?
1/100
14. What is the difference between mass and weight?
Mass doesn’t change, weight depends on the gravitational pull on an object
15. What is the purpose of a triple beam balance?
To measure mass
16. What units would you use to measure the distance between two cities in the United States?
Kilometers
17. List the metric prefixes from largest to smallest.
Kilo, deka, hector, base, deci, centi, milli, micro, nano
18. Complete the metric conversions below:
a. 5.406 m to cm
b. 7969 m to km
c. 5.048 g to mg
d. 0.501 L to mL
540.6
7.969
5048
501
e. 1.636 km to mm
f. 4.931 km to m
g. 3942 mm to cm
h. 1993 m to km
1636000
4931
394.2
1.993
19. What is the length of the line above the ruler?
4 cm
20. What units are used to represent volume?
Milliliters, liters, kiloliters
21. What is the volume of the liquid in the graduated cylinder shown below?
25.5 ml
22. How do you measure the volume of an irregular object?
measure the volume of irregular object using water displacement., final volume – initial volume
23. Why do certain things sink when placed in water and why do certain things float when placed in water?
If an object has a density greater than 1 g/ml it will sink. If the density of an object is less than 1 g/ml, it
will float.
24. List two reasons as to why measurement is important.
To avoid confusion when building things, communication
25. What metric units would be used to determine the length of a grasshopper?
centimeters
26. What metric units would be used to measure the how much blood that a person donates?
Liters
27. What metric units would be used to measure the mass of a matchbox car?
grams
28. Calculate the volume of the solid object below?
3 cm
3 cm
3 cm
27 cm3
29. What is the volume of the hammer in the picture to the right?
4 ml
30. What layer is the density of water
in the picture to the right?
Layer B
31. If a student has a 10 mL cylinder marked in 0.1 mL increments, a 100 mL cylinder marked in 1 mL
increments, a 250 mL cylinder marked in 5 mL increments, and a 500 mL cylinder marked in 10 mL
increments.
If the student needs to measure a volume of 330 mls for an experiment, which graduated cylinder should
he use to make the most precise measurement?
500 mL cylinder marked in 10 mL increments
32. What is the mass reading in the picture to the right?
62.4
33. The average monthly rainfall during the summer months in Boulder, Colorado and in Madison,
Wisconsin are shown in the graph below.
What conclusions can be made from this data?
Madison is wetter than Boulder