Which of the following statements about Controlled Scientific Investigations is correct?

Controlled experiments only test 1 variable at a time.

What is a hypothesis for-What affect does listening to music have on student test scores?

If the listening increases, the scores will decrease., If listening increases, then the scores will increase.

Why is technology usually developed?

There is a need or a problem that needs to be solved

When writing a conclusion which type of data is considered more reliable?

Qualitative and quantitative observations

Study the picture. Which of the following statements would be an inference?

The student will injure herself on the broken glass

How might choosing a small sample size affect the results of a scientific investigation?

A smaller sample size is not as reliable as a larger sample

1. Which of the following is not an example of a scientific question?

Where did you put the science test book?

Which of the following best describes the dependent variable?

the variable that is being measured

How are science and technology related?

technology applies science knowledge

What must be true of any hypothesis?

it can be based on the research of the question topic, it must include the independent and dependent variable

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Introduction to STEM Unit Review

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Scientific Method Notes Review

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Questions 28

Answers

1
What does NOT need to be included in a graph?
Label IV and DV
Increments
hypothesis
Title with IV and DV
2
Which of the following statements about Controlled Scientific Investigations is correct?
Controlled experiments are rarely used
Controlled experiments do not contain an experimental set up
Controlled experiments test more than 1 variable at a time.
Controlled experiments only test 1 variable at a time.
3
What is step 3 in the scientific method?
Research
Analyze data
Testable question
Create a hypothesis
4
What is a hypothesis for-What affect does listening to music have on student test scores?
If the listening increases, the scores will decrease.
If listening increases, then the scores will increase.
The music wil increase student test scores.
5
Name the DV in the question-Does the amount of water given to a plant affect the plants growth?
plants growth
Height of plant
amount of water
Type of plant
6
Why is technology usually developed?
humans always want new technology
there is a question that needs to be answered
technology develops by accident
There is a need or a problem that needs to be solved
7
What is not done when designing the experiment?
Plan for recording data
Plan for repeated trials
Make a hypothesis
List the material and procedures
8
When writing a conclusion which type of data is considered more reliable?
Inferences
Qualitative and quantitative observations
9
Study the picture. Which of the following statements would be an inference?
The students have broken the dress code rules for lab day
The student have spilt several things on the floor
The students are conducting experiments with liquids
The student will injure herself on the broken glass
10
What is step 7 in the scientific method?
Conduct the experiment
Conclusion
Analyze data
Communicate
11
What is step 4 in the scientific method?
Create a hypothesis
Conduct the experiment
Design the experiment
Analyze data
12
What is step 1 in the scientific method?
Analyze data
Create a hypothesis
Testable question
Research
13
What needs to be done when desigining an experiment to ensure the data will be valid?
Plan to use proper measuring tools
all answers are correct
Plan for a proper sample size
Plan for repeated trials
14
Which one is a qualitative observation?
There are several geese in the sky
The male is wearing a hat
He will miss the geese.
They hope that the geese have enough food for winter.
15
How might choosing a small sample size affect the results of a scientific investigation?
A smaller sample size is easier to control than a larger one
A smaller sample size is more precise than a larger sample
A smaller sample size is not as reliable as a larger sample
A smaller sample size <br>has fewer DV than a large sample
16
What is step 6 in the scientific method?
Create a hypothesis
Conduct the experiment
Design the experiment
Analyze data
17
What is step 8 in the scientific method?
Design the experiment
Analyze data
Conclusion
Communicate
18
Name the IV in this queston-Does the amount of water given to a plant affect the plants growth?
plants growth
type of plant
amount of water
height of plant
19
1. Which of the following is not an example of a scientific question?
Where did you put the science test book?
Does the amount of exercise effect the heart rate?
How does the amount of salt effect the boiling point?
Does calming music effect behavior in the hallway?
20
What should he do?
Report his results and not worry about the mistake
Assume his concl. would support his hyp. if no mistake made
Repeat the experiment
Change his conclusion to support his hypothesis
21
When should a data table be created?
When making the hypothesis
when analyzing the data
when designing the experiment
when conducting the experiment
22
Which of the following best describes the dependent variable?
the variable that is being measured
the variable that is being manipulated
the variable that is being controlled in the experiment
the variable that is being changed
23
How are science and technology related?
they are the same subject
no answer is correct
science applies technology knowledge
technology applies science knowledge
24
What is step 5 in the scientific method?
Create a hypothesis
Analyze data
Conduct the experiment
Design the experiment
25
What must be true of any hypothesis?
it must be proven correct
it can be based on the research of the question topic
it must include the independent and dependent variable
26
__________________ is the infomation that is collected.
inference
variable
procedures
data
27
___ is an explanation of an observation that must be logical/can change after more observations
Qualitative observation
Research
Hypothesis
Inference
28
What is step 2 in the scientific method?
Testable question
Create a hypothesis
Research
Analyze data

Introduction to STEM Unit Review Flashcards | StudBud