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8R Unit 1 Review

Total questions: 87

Worksheet time: 5hrs 42mins

Name
Class
Date
1.
How much shorter is Tree A than Tree B?
a)
Tree A is 13 feet tall
b)
Tree A is 5 feet taller
c)
Tree A is 3 feet shorter
d)
Tree B is 4 feet taller
2.
What is the length of the ribbon?
a)
9 cm
b)
2 cm
c)
7 cm
d)
11 cm 
3.
What is the length of the key?
a)
2 cm
b)
0 cm
c)
4 cm
d)
1 cm
4.
What is the length of the eraser?
a)
3 cm 
b)
2 cm 
c)
5 cm
d)
7 cm
5.
What is the length of the comb?
a)
8 cm 
b)
3 cm 
c)
5 cm 
d)
7 cm 
6.
How do you calculate density?
a)
mass divided by volume
b)
volume divided by mass
c)
mass times volume
d)
very carefully
7.
How do you calculate the volume of a rectangular solid?
a)
length x width x height
b)
mass divided by volume
c)
with a triple beam balance
d)
it's impossible
8.
What is mass?
a)
a measure of the amount of matter an object contains
b)
a measure of the force of gravity acting on an object
c)
the amount of space an object takes up
d)
a temperature scale
9.
How do you measure the volume of an irregular solid?
a)
displacement method
b)
length x width x height
c)
mass divided by volume
d)
kick it
10.
What is the volume? Count by 2s.
a)
22 ml
b)
25 ml
c)
28 ml
d)
18 ml
11.
What is the mass?
a)
155g
b)
105g
c)
105.6g
d)
105.2g
12.
What is the volume of the battery?
a)
17 cm3
b)
5 cm3
c)
22 cm3
d)
24 ml
13.
What is the volume of the button?
a)
15 cm3
b)
17 cm3
c)
2 cm3
14.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
15.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
16.
Calculate the density of the cube.
a)
.33 g/cm3
b)
.4 g/cm3
c)
.6 g/cm3
d)
.5 g/cm3
17.
How many people had 3 pets?
a)
5
b)
7
c)
4
d)
3
18.
What is the volume of liquid in this graduated cylinder?
a)
40.0 mL
b)
40.3 mL
c)
43.0 mL
d)
44.0 mL
19.
How long is the paper clip?
a)
3 cm
b)
4cm
c)
5cm
d)
6 cm
20.
_______________ is the amount of space an object takes up.
a)
mass
b)
volume
c)
weight
d)
density
21.
The diagram shows a graduated cylinder containing water.  From which position will the most accurate measure of the volume of water be made?
a)
Position 1
b)
Position 2
c)
Position 3
d)
Position 4
22.
Mass is measured in
a)
grams
b)
liters
c)
meters
d)
g/cm3
23.
________________ is the amount of material (matter) in an object
a)
mass
b)
volume
c)
weight
d)
density
24.
The tool used to precisely measure liquid volume is the
a)
beaker
b)
flask
c)
graduated cylinder
25.

What is the volume of the two red beads?

a)

2.4 cm3

b)

4 cm3

c)

6 cm3

d)

2 cm3

26.
The instrument pictured is used to measure the mass of an object...
a)
flask
b)
ruler
c)
balance scale
d)
triple beam balance
27.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
28.
Tom put water in a graduated cylinder and looked at the lowest point of the meniscus.  What unit should he use?
a)
meter
b)
kilometer
c)
liter
d)
milliliter
29.
Cori took a ruler and measured the length x width x height of a block of wood.  What measurement was she getting?
a)
weight
b)
mass
c)
volume
d)
length
30.

The variable that I change, like adding fertilizer to a plant, is what variable?

a)

independent variable

b)

dependent variable

c)

constant

d)

control

31.

The variable that is usually written on the y axis - the one that we measure to get our Data is -

a)

independent variable

b)

dependent variable

c)

control

d)

constant

32.
What is this?
a)
Balance
b)
Triple beam balance
c)
Mass
d)
Graduated cylinder
33.
What tool can you use to find out how the mass of a pencil compares to the mass of a pen?
a)
balance
b)
meter stick
c)
thermometer
d)
measuring tape
34.
Students filled a graduated cylinder with the amount of water shown. How much more water needs to be added to the cylinder to measure 25 mL?
a)
2 mL
b)
4 mL
c)
6 mL
d)
9 mL
35.
What is the length of the straw?
a)
8 cm 
b)
0 cm 
c)
7 cm 
d)
1 cm 
36.

When scientists follow the steps of an experiment procedure, they're doing it in order to:

a)

Test the hypothesis

b)

Determine the problem they need to solve

c)

Establish a control group

d)

Waste time

37.

What scientific instrument is used to measure the mass of an object?

a)

Triple beam balance

b)

Graduated cylinder

c)

Meter stick

d)

Sonic screwdriver

38.

In a science experiment, ______________ is when you gather background information about the problem you're trying to solve.

a)

Research

b)

Drawing conclusions

c)

Stating a hypothesis

d)

Analyzing data

39.

In a science experiment, what is it called when a scientist records and examines information?

a)

Collecting and analyzing data

b)

Researching background information

c)

Drawing conclusions

d)

Establishing a hypothesis

40.

The standard of comparison in an experiment is called the ________________________.

a)

Control group

b)

Hypothesis

c)

Research

d)

Conclusion

41.

What is the kind of variable that you measure or observe, but do not have control over?

a)

Dependent variable

b)

Independent variable

c)

Controlled variable

d)

Theoretical variable

42.

________________________ observations involve information that you can count or measure.

a)

Quantitative

b)

Qualitative

c)

Theoretical

d)

Scientific

43.

________________________ observations involve qualities or characteristics that can be observed with the senses, but not measured or counted.

a)

Qualitative

b)

Quantitative

c)

Theoretical

d)

Scientific

44.

Which of the following is used solely for comparison in an experiment?

a)

Control group

b)

Hypothesis

c)

Experimental group

d)

Conclusion

45.

A(n) __________ is a prediction of what you think will happen during your experiment.

a)

Conclusion

b)

Hypothesis

c)

Observation

d)

Control Group

46.

The dependent variable goes on the:

a)

x-axis

b)

y-axis

47.

Identify the dependent variable.

a)

Color of the light

b)

Growth of the plant

c)

Number of plants

d)

Number of lights

48.

Identify the independent variable.

a)

Number of push ups

b)

Day of the week

49.

Identify the independent variable.

a)

Color of the light

b)

Growth of the plant

c)

Number of plants

d)

Number of lights

50.

Identify the independent variable.

a)

Number of students

b)

Month of the year

51.

Identify the dependent variable.

a)

Number of students

b)

Month of the year

52.

Identify the dependent variable.

a)

Number of push ups

b)

Day of the week

53.

An "If/Then" statement is also known as the ---- in the steps of the scientific method?

a)

Conclusion

b)

Hypothesis

c)

Summary

d)

Procedure

54.

The factors that remain the same in an experiment are known as -----.

a)

Variables

b)

Controls

c)

Constants

d)

Trials

55.

During which month did Sam have a weight of 73 Kg?

a)

January

b)

February

c)

May

d)

March

56.

Which method of transportation was used the least?

a)

Car

b)

School bus

c)

Walking

d)

Bicycle

57.

A student is studying the effect of studying on getting good grades. What is the independent variable?

a)

Whether or not the student studies

b)

The type of grades the student receives

58.

If your eat a lot of candy without properly brushing your teeth then you will develop cavities. What is the dependent variable?

a)

Eating a lot of candy without properly brushing your teeth

b)

The number of cavities developed

59.
Data that are qualitative are always-
a)
described in words
b)
represented in numbers
c)
repeated for verification
d)
the most accurate type of data
60.
How does the control group differ from an experimental group in a scientific experiment?
a)
the control group does not contain the experimental data, whereas the experimental group does
b)
the control group does not contain the experimental variable, whereas the experimental group does not
c)
the control group is not tested or measured
d)
the control group contains more than one experimental variable
61.
The variable that is measured in the experiment is-
a)
the dependent variable
b)
the independent variable
c)
the control variable
d)
the hypothetical variable
62.
The main reason that diagrams, tables and graphs of data are used by scientists is to-
a)
organize data
b)
verify the conclusion
c)
test a hypothesis
d)
create an experiment
63.
Which statement is an inference about this picture?
a)
The van is tan.
b)
The  van ran into KFC. 
c)
The driver was hungry. 
d)
Red and white are part of the KFC building. 
64.
Mrs. J. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the independent variable.
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
weight of the ball
65.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
66.
Why do we want to test only one independent variable at a time?
a)
Because it is hard to setup a data table with more than one variable
b)
To better identify what is causing the changes
c)
It is what has always been done
d)
It's easier to perform the experiment
67.
Information gathered using your 5 senses.
a)
Observation
b)
Inference
68.
Recording data on how yellow or orange leaves turn in October by describing them as "green" "slightly yellow" "very yellow" or "orange" is ____ data
a)
quantitative
b)
qualitative
69.
What is the independent variable?
a)
cost of mowing
b)
Moe's Mowing Service
c)
$18
d)
Mowing Time
70.
Which day had more minutes of homework?
a)
Wednesday
b)
Thursday
c)
Friday
d)
Ms. Jones
71.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
72.
According to this graph, what is the most popular flavor of Jolly Rancher?
a)
Cherry
b)
Grape 
c)
Blue Rasberry
d)
Watermelon
73.

Which superhero is the most popular among fans?

a)

Hulk

b)

Batgirl

c)

Storm

d)

Thor

74.
How much does it cost to have your lawn mowed for 2 hours?
a)
$16
b)
$17
c)
$18
d)
$19
75.
How many total people took the survey?
a)
50
b)
150
c)
100
d)
200
76.
In which year did exactly 60 students have scholarships?
a)
2010
b)
2011
c)
2012
d)
2013
77.

What type of relationship does this show?

a)

direct

b)

inverse

c)

cyclic

78.

What type of relationship does this show?

a)

direct

b)

inverse

c)

cyclic

79.
Write in standard form: 
8 x 104
a)
8,000
b)
80,000
c)
.00008
80.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
81.
Convert to scientific notation:
520,000,000  
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
82.
Put the following number in scientific notation:
4,281
a)
4.281 x 103
b)
0.4281 x 104
c)
4.281 x 10-3
d)
42.81 x 102
83.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
84.

Write each number in scientific notation

a)

9.04x1011

b)

9.04x108

c)

90.4x109

d)

9.04x109

85.
Write each number in Standard notation
a)
50
b)
500
c)
.05
d)
5,000
86.
Write each number in Standard notation
a)
.00204
b)
2040
c)
204
d)
20400
87.

Write each number in scientific notation

a)

4.37x10-4

b)

4.37x104

c)

43.7x104

d)

4.37x103

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