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Back to the Basics!

Total questions: 62

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
The things that are kept the same to ensure the results are due to the experiment is called..
a)
Control
b)
Constant
c)
Independent Variable
d)
Dependent Variable
2.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the constant?
a)
Study  Times
b)
Test Scores
c)
Same Assignment
3.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the independent variable?
a)
Study time
b)
Test score
c)
Same assignment
4.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the dependent variable?
a)
Study  time
b)
Test Score
c)
Same Assignment
5.

The variable the is changed by the investigator on purpose is..

a)

Constant

b)

Control

c)

Independent Variable

d)

Dependent Variable

6.

The variable that is counted, or measured and is responding to the independent variable is known as

a)

Control

b)

Constant

c)

Independent Variable

d)

Dependent Variable

7.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
8.

Research Question: Does the type of gasoline put in a car affect how fast the car can drive.


What is the independent variable?

a)

Type of gasoline

b)

which car the gas is put into

c)

how fast the car can drive

d)

how much gas is put into the car

9.

Does changing the scent of a brand of dog food affect how much the dog eats?


Which variable is the part in red?

a)

independent

b)

dependent

10.
If I study for my scientific method quiz, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
11.

The candy was sour.

a)

Qualitative Data

b)

Quantitative Data

12.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
13.
Mr. S set 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
14.

Changes in the _________ variable causes changes in the _________ variable.

a)

independent; dependent

b)

dependent; independent

15.

Which one is a good hypothesis?

a)

If we mix blue and yellow water together, the water will turn green.

b)

We'll mix blue and yellow water together, then the water will turn green.

c)

If we mix blue and yellow water together, then the water will turn green because blue water tints yellow water to have a green reflection.

16.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
17.
Which of the following is an observation of the picture?
a)
The person is wearing a T-shirt
b)
It is a sunny day
c)
The person is going to a birthday party
d)
The gift is a DVD player
18.
What is an inference? 
a)
Just a guess.
b)
A statement based off of your observations. 
c)
The same as an observation. 
d)
Examples of something. 
19.
What is an observation for this picture?
a)
The man is scared
b)
The man is going to get eaten
c)
There is a man in a kayak
d)
The man is paddling fast
20.
Which of the following statements is an inference of the picture?
a)
A student is roasting a marshmallow
b)
Two students are listening through cups
c)
The teacher is not in the classroom
d)
A student is setting off a rocket
21.
She is holding an umbrella
a)
observation
b)
inference
22.
It is raining outside
a)
observation
b)
inference
23.
Which of the following is NOT an inference about the man in this picture:
a)
The man hates his purple shirt.
b)
The man has a purple shirt.
c)
The man is having a bad day.
d)
This man is upset because he's hungry
24.
The boy has a green blanket
a)
observation
b)
inference
25.
The boy is not going to school today
a)
observation
b)
inference
26.
The leaves on the plant are turning brown.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
27.
The plant has grown 4 cm since yesterday.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
28.
There are 16 red marbles in the bag.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
29.
There are 15 boys and 17 girls.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
30.
The barn contains pigs, cows, and horses.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
31.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
32.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
33.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
34.

What is the first step in the scientific method?

a)

Data

b)

Conclusion

c)

No Horse Play

d)

Observe a problem

35.

During this step of the scientific method, a scientist would gather background information.

a)

Hypothesis

b)

Collect Information

c)

Observation

d)

Experiment

36.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
37.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
38.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
39.
How many significant figures does the following number have: 100.3
a)
4
b)
3
c)
5
d)
2
40.
How many significant figures does the following number have: 2001800.
a)
1
b)
4
c)
6
d)
7
41.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
42.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
43.
How many Significant Figures in the number below?
0.456
a)
3
b)
4
c)
2
d)
1
44.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
45.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

46.
How many sig figs are there?
100000000
a)
1
b)
9
c)
10
47.
How many sig figs are there?
0.000008
a)
1
b)
2
c)
6
d)
7
48.
Write 0.00000054 in scientific notation.
a)
54 x 108
b)
5.4 x 107
c)
54 x 10-8
d)
5.4 x 10-7
49.
Write 3.5 x 106  in standard notation.
a)
0.0000035
b)
35,000,000
c)
3,500,000
d)
0.00000035
50.
Write 42,000 in scientific notation.
a)
42.000 x 103
b)
4.2 x 10 -4
c)
4.2 x 104
d)
0.42 x 105
51.
Write 9.31 x 10-5               in standard notation.
a)
93,100,000
b)
931,000
c)
0.00000931
d)
0.0000931
52.
Write 0.0003 in scientific notation.
a)
3 x 104
b)
3 x 10-4
c)
0.3 x 103
d)
0.3 x 10-3
53.
Write 0.216 in scientific notation.
a)
216 x 103
b)
216 x 10-3
c)
2.16 x 101
d)
2.16 x 10-1
54.
Write 0.000009 in scientific notation.
a)
9 x 10-6
b)
9 x 106
c)
0.9 x 10-5
d)
0.9 x 105
55.
Write 8.063 x 10-4                   in standard notation.
a)
0.00008063
b)
80,630
c)
0.0008063
d)
80,630,000
56.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
57.
What should you do if you break glass in the lab?
a)
Tell the teacher.
b)
Sweep up the glass.
c)
Pick up the glass with your hands.
d)
Ignore it; the teacher will clean it up when she sees it later.
58.

When should you tie back long hair or baggy clothing?

a)

When working with chemicals

b)

When working with fire

c)

ALWAYS

59.
I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.
a)
True
b)
False
60.

I will perform only those activities that have been assigned by the instructor.

a)

True

b)

False

61.

I will immediately notify the instructor only about major accidents.

a)

True

b)

False

62.
Before leaving the lab you should always wash or sanitize your hands.
a)
True 
b)
False

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