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Laboratory and experimental procedures

Total questions: 60

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

A determination about what a scientist thinks will happen. Uses IF...THEN... format!

a)

Qualitative

b)

Quantitative

c)

Hypothesis

d)

Inference

2.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
3.
Students used various temperatures of water to see which one dissolved candy faster. 
What was the Independent Variable?
a)
Amount of Candy
b)
Amount of Water
c)
Temperature of Water
d)
Time for Candy to Dissolve
4.

What is the affect of salt water on the the height of blades of grass?

The above question is an example of:

a)

Hypothesis

b)

Conclusion

c)

Procedures

d)

Testable Question

5.
In this graph, what is the independent variable? 
a)
Population
b)
Day
c)
Species 5
6.

Which of these is not an observation?

a)

2 sets of foot prints.

b)

They ended up in the same spot.

c)

One animal ate the other.

d)

The prints are black

7.
When was the average snowfall for Chicago higher than the average snowfall for New York?
a)
January & Febuary
b)
February & March 
c)
June & July
d)
November & December
8.
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
a)
height of the players
b)
color of the balls thrown
c)
order in which the players throw
d)
spot from which the players throw
9.
Which of the answers is NOT an example of quantitative data?
a)
The ant is seven mm long.
b)
The bee weighs ten grams.
c)
The soda has a pH of three.
d)
The frog is green.
10.
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
11.

What is the volume of the two red beads?

a)

2.4 cm3

b)

4 cm3

c)

6 cm3

d)

2 cm3

12.

Match the picture with the measurement.

a)

2.8 cm

b)

3.1 cm

c)

.5 cm

d)

0 cm

13.

Two tools used to find the volume of an object are the:

a)

ruler and graduated cylinder

b)

triple beam balance and ruler

c)

graduated cylinder and triple beam balance

d)

test tube and graduated cylinder

14.
A small, living aquatic organism would best be observed using which of the following pieces of equipment?
a)
compound light microscope
b)
electronic balance
c)
scanning electron microscope
d)
centrifuge
15.
You suggest that the absence of water could prevent the growth of bread mold. This is-
a)
a hypothesis
b)
a conclusion
c)
an experiment
d)
an analysis
16.
Which of the following must be done for the results of an experiment to be considered valid?
a)
the experiment must be repeated numerous times and the same results are obtained
b)
the results must be published in a national journal
c)
the results must be shown in a graph
d)
the results must be only quantitative
17.
What would NOT be considered a source of valid scientific information?
a)
tabloid magazine
b)
scientific journal
c)
science textbook
d)
a technical report
18.

What is a hypothesis?

a)

the thing changed on purpose in the experiment

b)

an explanation about what you observed

c)

using your 5 senses to gather data

d)

an educated guess about the outcome of an experiment

19.

Choose the correctly written hypothesis for "What is the effect of putting Pam Cooking Spray on the bottom of a sled?"

a)

I think the sled will slide faster.

b)

If I put Pam Cooking Spray on the bottom of my sled, then I will win the race."

c)

If I put Pam Cooking Spray on the bottom of my sled, then I will slide faster.

20.

The independent variable is

a)

the part the scientist measures

b)

the part the scientist changes or is testing

c)

a letter

21.

Which hypothesis is correctly written?

a)

I think I will do well on my test today, because I ate a good breakfast.

b)

If I eat a good breakfast, then I will do well on my test today.

c)

If I eat a good breakfast, then I will earn a passing grade on my test today.

d)

If I do well on my test today, I get to out to eat for breakfast.

22.

A hypothesis is never wrong.

a)

True

b)

False

23.

When we write a conclusion, we state

a)

that our hypothesis was correct or incorrect.

b)

that our hypothesis was proven or disproven.

c)

that out hypothesis was a good guess or a poor guess.

24.

Choose the correct hypothesis for "What effect does studying have on your test grade?"

a)

IF I study for hours, THEN my test grade will be better.

b)

IF I have a good test grade, THEN I will study.

c)

Good grades are from studying.

25.

Choose the correct hypothesis for "How will exercising affect your health?"

a)

IF you have better health, THEN you will exercise.

b)

IF you exercise, THEN you will have better health.

c)

Exercising means you're healthy.

26.

"You ate popcorn, and now you have a husk stuck in your teeth."

Which one is the independent variable?

a)

Eating popcorn

b)

Husk in teeth

c)

Now you have

27.

A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

a)

If plants are placed in direct sunlight, then they will grow more green leaves.

b)

If plants are places in bright light, then they will grow more green leaves than in dim light.

c)

If plants are place in clay pots, then they will grow more green leaves than plastic pots.

d)

If plants are in warmer temperatures, then they will grow more green leaves.

28.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the gender of the alligator

c)

the temperature

d)

the incubator

29.
Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
30.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
31.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
32.
Research Question: Does the type of gasoline put in a car effect 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
33.
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
34.
Ms. 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
d)
Who set up the experiment (Ms. S, etc)
35.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
36.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
d)
Location the feeders are put in.
37.
a)
The dependent variable is total cost
b)
The dependent variable is weight
c)
The independent variable is total cost
d)
The independent variable is cost of a package
38.
How many independent variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
39.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
40.
On a graph, which axis shows the independent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
41.
Name the INDEPENDENT variable from the table below.
a)
words
b)
minutes
42.

In the table, Bubbles is the ______________.

a)

independent variable

b)

dependent variable

43.
2.  Slowly decreases at a CONSTANT rate
a)
C
b)
A
c)
F
d)
D
44.
Describe the situation.
a)
The volume of the balloon increases at a constant rate, then stays constant, then increases, then constant, and increases at a constant rate.
b)
The volume of the balloon increase at a constant rate, decreases, then stays constant, then increases, then constant, and increases at a constant rate.  
45.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
46.
Describe the situation. 
a)
Grams Decrease at a decreasing rate.
b)
Grams decrease at a constant rate.
47.

What is the label on the x-axis of this graph?

a)

Number of visitors

b)

Year

c)

Visitors to a Park

48.

According

to the graph, in the beginning of 2017, approximately how many daily users

did Snapchat have?

a)

50 million users

b)

150 users

c)

150 million users

d)

100 users

49.
How many cards were sold between $1.00 and $1.50?
a)
4
b)
7
c)
3
d)
6
50.
How many people drink 8-11 cups of coffee per week?
a)
2
b)
8
c)
3
d)
0
51.
If 100 people were asked,  how many would say that pepperoni was their favorite?
a)
10
b)
15
c)
25
d)
50
52.
How many seals were present in 2011?
a)
25
b)
30
c)
40
d)
50
53.
The variables in an experiment that stay the same are the:
a)
IV
b)
DV
c)
Constants
54.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more than one
b)
It keeps the experiment fair and you can see what caused the change
c)
It is what has always been done
d)
It makes the results better in an experiment
55.
The part of the experiment that remains the same for the control and experimental group.
a)
constants
b)
control
c)
independent
d)
dependent
56.

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test score?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

57.
What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further than short people?"
a)
height of the person
b)
weight of the person
c)
how fast the person runs
d)
how far the person jumps
58.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid. Each plant has the same amount of sunlight, soil and listens to the same music. Which of the below is NOT a constant variable?

a)

amount of sunlight

b)

the type of liquid

c)

the type of music

d)

type of soil

59.
  Pick the control from the following variables..
vanilla ice cream
vanilla ice cream with sprinkles
vanilla ice cream with hot fudge & caramel
a)
Vanilla ice cream
b)
vanilla ice cream with sprinkles
c)
vanilla ice cream with hot fudge & caramel
d)
I like it all
60.
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

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