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Experimental Design Process STEM 8

Total questions: 34

Worksheet time: 21mins

Name
Class
Date
1.
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
2.
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, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
3.
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
4.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?
a)
The ball used
b)
The height the ball bounces
c)
Height of the ball being dropped
5.
Find the IV:  You experiment to see if a bouncy ball or a tennis ball bounces higher.
a)
Type of ball
b)
Same drop height
c)
Height of Bounce
d)
Same surface
6.
Find a CV:  You experiment to see if a bouncy ball or a tennis ball bounces higher.
a)
Type of ball
b)
Same drop height
c)
Height of Bounce
7.
Find the IV:  You experiment to see how the noise level in a room affects your ability to memorize random numbers and letters.
a)
Ability to memorize
b)
Noise level in room
c)
Amount of sleep
d)
Age of person
8.
Find the DV:  You experiment to see how the noise level in a room affects your ability to memorize random numbers and letters.
a)
Ability to memorize
b)
Noise level in room
c)
Amount of sleep
d)
Age of person
9.
Find a CV:  You experiment to see how the noise level in a room affects your ability to memorize random numbers and letters.
a)
Ability to memorize
b)
Noise level in room
c)
Age of person
10.
Find the IV:  You experiment to find out if you can blow bigger bubbles when it is hot outside or when it is cold outside.
a)
bubble blowing technique
b)
Type of bubble juice
c)
Size of bubbles
d)
Temperature
11.
Find the DV:  You experiment to find out if you can blow bigger bubbles when it is hot outside or when it is cold outside.
a)
bubble blowing technique
b)
Type of bubble juice
c)
Size of bubbles
d)
Temperature
12.
Find a CV:  You experiment to find out if you can blow bigger bubbles when it is hot outside or when it is cold outside.
a)
bubble blowing technique
b)
Temperature
c)
Size of bubbles
13.
Find the IV:  You experiment to discover if your pulse rate is affected by caffeine
a)
Pulse rate
b)
Temperature of room
c)
Amount of caffeine
d)
Amount of exercise
14.
Find the DV:  You experiment to discover if your pulse rate is affected by caffeine
a)
Pulse rate
b)
Temperature of room
c)
Amount of caffeine
d)
Amount of exercise
15.
Find a CV:  You experiment to discover if your pulse rate is affected by caffeine
a)
Pulse rate
b)
Amount of exercise
c)
Amount of caffeine
16.
Find the IV:  You experiment to see if the type of liquid changes how fast it can drain out of the tornado tube
a)
Amount of liquid
b)
Type of liquid
c)
Technique of swirl
d)
Speed to drain
17.
Find the DV:  You experiment to see if the type of liquid changes how fast it can drain out of the tornado tube
a)
Amount of liquid
b)
Type of liquid
c)
Technique of swirl
d)
Speed to drain
18.
Find the DV:  You experiment to see if the type of liquid changes how fast it can drain out of the tornado tube
a)
Amount of liquid
b)
Type of liquid
c)
Technique of swirl
d)
Speed to drain
19.
Find a CV:  You experiment to see if the type of liquid changes how fast it can drain out of the tornado tube
a)
Amount of liquid
b)
Type of liquid
c)
Speed to drain
20.

The step in the experimental design process that uses prior knowledge to infer what will happen in the experiment.

a)

Research question

b)

Hypothesis

c)

Analyze data

d)

Create a procedure

21.

The final step in an experiment that allows scientists to communicate their findings.

a)

Hypothesis

b)

Identify safety concerns

c)

Identify variables

d)

Write a summary

22.

Scientists must write this clearly and be very specific so other scientists can test their experiment for themselves

a)

Hypothesis

b)

Research question

c)

Procedure

d)

Data

23.

In this step of the experimental design process, scientists write down potential causes of danger and how to avoid them

a)

Research question

b)

Hypothesis

c)

Procedure

d)

Safety concerns

24.

This step allows scientists to see what they'll change, measure, and compare in the experiment.

a)

Analyze data

b)

Identify variables

c)

Write a procedure

d)

Collect data

25.

This must be open-ended and provable. It begins the process of creating an experiment.

a)

Procedure

b)

Hypothesis

c)

Research question

d)

Data

26.

Scientists may use a table to do this but they will first need to plan out how many trials they are doing and how many columns they will need.

a)

Collect data

b)

Write a procedure

c)

Write a hypothesis

d)

Analyze data

27.

Doing this can also serve as a checklist for what you need to prepare for the experiment. It also helps other scientists know exactly what they need.

a)

List safety concerns

b)

List materials and equipment

c)

Write a summary

d)

Identify variables

28.

This may look like creating a graph or a chart to share what you’ve learned. This step is where the scientist figures out what it all means.

a)

Write a procedure

b)

Write a hypothesis

c)

Collect data

d)

Analyze data

29.

The following statement is an example of which: There are puddles on the ground so it must have rained earlier.

a)

Research question

b)

Inference

c)

Observation

30.

Variable that is measured or observed.

a)

Dependent

b)

Independent

c)

Control

31.

Variable in an experiment that does not change

a)

Dependent

b)

Independent

c)

Control

32.

Variable in an experiment the scientist chooses to change

a)

Independent

b)

Dependent

c)

Control

33.

What type of change is nucleation?

a)

Physical

b)

Chemical

34.

Research questions should be

a)

Close-ended

b)

Open-ended

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