Which of the following statements best evaluates the process that the scientists used?

Process valid- scientists used systematic methods

What would be one major difference between an experiment and an investigation? (SC.6-7.N.1.3)

Testing must be done in experiments and not investigations

Read the question carefully below. (SC.7.N.3.1, SC.6.N.3.1)

He described the relationship between the masses

Spontaneous generation doesn't exist. Explain maggots in open jars of meat

Modify the original theory based on the new evidence.

Is his conclusion defensible, and why or why not?

No, because not known if any final portion sugar dissolved

How does an observation about an experiment differ from an inference about an experiment?

Observation is seen, inference prior knowledge

Are theories set in stone like a law?

No, they can change with new evidence

As new info is discovered, theories change. Old theories can be revised. Why is this necessary?

The process allows for an understanding of the world.

Read the question carefully below. (SC.8.N.1.6, SC.7.N.1.6)

data showing sun exposure & incidences of skin cancer.

When conducting an experiment, why is it important to test only one variable at a time?

Testing one variable ensures only hypothesis is tested

Which statement best defends the class’ conclusion? (SC.6-8.N.1.1, SC.8.N.1.3)

As the drop height increased, the bounce height increased

Read the question carefully below. (SC.6.N.2.2, SC.8.N.1.5,SC.7.N.2.1, SC.7.N.1.7)

Ability to make observations and accurately record data

What can scientists do with a well-constructed and well-tested theory?

Make predictions about future events

Which of the following describes a scientific theory?

an important explanation that has been well tested

After a scientific investigation, why is it important for the class to discuss all the results?

It allows students to better understand method & conclusions

What is the difference between a variable and a control in an experiment?A.

Variable factor tested, control factor doesn't change

Which statement explains why the company hired a team of researchers to replicate their tests?

If results can be replicated, they are likely to be valid.

Classification has changed several times- describes changes in scientific theory

Scientific interpretations change as necessary

Read the question carefully below. (SC.8.E.5.10)

Machines can be used in the manufacturing process

What is an experiment?

An organized procedure to study something under controlled conditions.

Before microscope, knew many diseases caused by microscopic organisms. Nature of science?

Scientific knowledge changes over time based on evidence.

What are some things to consider when designing an experiment?

Cost and availability of materials and resources

Which statement could apply to a scientific theory?

It is widely accepted by scientists

Read the question carefully below. (SC.7.N.1.4)

The type of rats and the food they eat

Which of the following would be an accurate analysis of the information shown?

Least effective color for photosynthesis appears green.

Model of atom changed from newer research. Which statement of new model is true?

The new model fits the data better than the old model.

Which of the following best describes a controlled experiment?A.

One variable at a time is tested in a controlled experiment.

Read the question carefully below. (SC.7.N.3.2)

As new discoveries are made, existing theories, are revised

What is the test variable (independent variable) in this experiment?

Amount of water put on the leaves

Which of the following statements explains why?

More than one test variable (IV) was changed in experiment

Which sequence of events is a logical order of a scientific investigation?

Hypothesis - Experiment - Analysis of data- Conclusion

What is the outcome variable (dependent variable) for their experiment?

Average mass of plants in each group

Why is it important to repeat an experiment multiple times?

Repeating trials ensures that result was not an accident

What is an observation?

Process of obtaining information by using the senses.

Which statement is an example of a scientific theory ?

Living things are made of cells

Mendelian genetics were developed prior to microscopes What does this demonstrate about science

Science advances result from new interpretations of old work

Read the question carefully below. (SC.6.N.1.1)

Desert lizards use their bodies to catch rainwater to drink.

A theory can change with new evidence. Why is that?

Scientific knowledge is durable

Which of the following best describes Jason’s investigation?

Investigation without manipulating a test variable (IV)

Why is scientific thoughts said to be fluid?

it can change over time as new evidence arrive

Which statement best describes scientific theories?

Theories are explanations in the natural world

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Nature of Science Quiz

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Questions 57

Answers

1
Which of the following statements best evaluates the process that the scientists used?
Process flawed experiment b/c variables aren't controlled
Process valid- scientists used systematic methods
Process valid experiment because there is IV & test variable
Process flawed b/c investigators didn't form hypothesis
2
Which variable changes in the investigation depicted in the drawing?
Salt
Mass
Volume
Temperature
3
What would be one major difference between an experiment and an investigation? (SC.6-7.N.1.3)
Research must be done in investigations, but not experiments
There is no difference between the two.
Research must be done in experiments, but not investigations
Testing must be done in experiments and not investigations
4
Read the question carefully below. (SC.7.N.3.1, SC.6.N.3.1)
He provided a well-supported & widely accepted explanation
He described the relationship between the masses
He collected data that supported his hypothesis.
He explained how his observations provided evidence
5
Spontaneous generation doesn't exist. Explain maggots in open jars of meat
Modify the original theory based on the new evidence.
Disregard the new evidence and keep the original hypothesis.
Collect many opinions on whether to accept new evidence.
Design new experiment to will prove the hypothesis true.
6
Is his conclusion defensible, and why or why not?
No, because not known if any final portion sugar dissolved
Yes, because when the 10th portion was added, it dissolved.
No, because he did not add sugar enough times
Yes, because when added more than 500g it didn't dissolve
7
How does an observation about an experiment differ from an inference about an experiment?
Observation is seen, inference prior knowledge
Observation proven in experiment, inference (educated guess)
Observation from hypothesis, inference from seeing
Observation depends on variable, the inference doesn't
8
Are theories set in stone like a law?
Yes, Theories cant change
No, they can change with more opinions
No, they can change with new evidence
Yes, Theories and laws are the same
9
As new info is discovered, theories change. Old theories can be revised. Why is this necessary?
New scientists need to get credit for their ideas
Old theories are found on old technology
The process allows for an understanding of the world.
10
Read the question carefully below. (SC.8.N.1.6, SC.7.N.1.6)
an ad for sun block that claims it protects against UV rays.
a survivor remembering that he had a bad sunburn as a child.
a model of a skin cell showing where DNA is in the cell.
data showing sun exposure & incidences of skin cancer.
11
When conducting an experiment, why is it important to test only one variable at a time?
Testing more than one variable will improve the results
Testing one variable ensures experiment won't have errors.
Testing one variable ensures only hypothesis is tested
Testing one variable ensures hypothesis will be accepted
12
Which statement best defends the class’ conclusion? (SC.6-8.N.1.1, SC.8.N.1.3)
As the drop height decreased, the bounce height increased
As the drop height increased, the bounce height increased
As the drop height decreased, the bounce height decreased
As the drop height increased, the bounce height decreased
13
Read the question carefully below. (SC.6.N.2.2, SC.8.N.1.5,SC.7.N.2.1, SC.7.N.1.7)
Control over the variables of interest
Access to modern equipment and research methods
Enough time to conduct a study & the amount of data recorded
Ability to make observations and accurately record data
14
Plate tectonics is an example of what scientific term?
A law
A theory
An observation
A model
15
What can scientists do with a well-constructed and well-tested theory?
Change it quickly and easily
Make predictions about future events
Stop investigating and testing it
Turn it into a scientific law
16
Which of the following describes a scientific theory?
an explanation that never changes
a quick solution to a problem
an important explanation that has been well tested
a guess that is consistent with all known data
17
The findings of experiments are generally not accepted until they are ..
Proven
Approved by another scientist
Replicated
Published
18
After a scientific investigation, why is it important for the class to discuss all the results?
It allows to select the best data and discard the rest.
It allows students to better understand method & conclusions
It allows changing data so that it matches the hypothesis.
It allows students to find errors and change results.
19
How can a theory change?
With knowledge
it cant, its a law
With evidence
with more opinions
20
What is the difference between a variable and a control in an experiment?A.
Variable factor tested, control factor doesn't change
Variable factor doesn't change, control is factor tested
Variable and control both kept constant in an experiment.
Variable and control both are tested in an experiment
21
Which statement explains why the company hired a team of researchers to replicate their tests?
The company is only repeating part of the test.
If results can be replicated, they are likely to be valid.
The company repeated the test too many times to be valid.
22
Classification has changed several times- describes changes in scientific theory
Modern technology make possible to prove idea w/out research
Early taxonomy ideas always remain so new species classified
Scientific interpretations change as necessary
Entire species discovered then classification system changed
23
Read the question carefully below. (SC.8.E.5.10)
There are more people today to work in manufacturing.
Axes are now made out of steel instead of rock
Machines can be used in the manufacturing process
The size and design of the ax heads have changed.
24
What is an experiment?
Studying the natural world
An organized procedure to study something under controlled conditions.
The scientific method
A procedure to study something
25
Before microscope, knew many diseases caused by microscopic organisms. Nature of science?
Technology improved so scientific knowledge stop changing
Scientific knowledge changes over time based on evidence.
Scientific knowledge not valid because it changes over time
New discoveries & evidence more important/repeatable results
26
What does it mean to say that scientific knowledge is durable?
it is not open to change
it is open to change
stays the same
Maybe
27
it can not change over time when new evidence arrive
False
True
28
When scientists use instruments to record the strength of earthquakes, what part of the scientific method are they using
Collecting data
Experiment
Hypothesis
Analysis of data
29
What are some things to consider when designing an experiment?
How many logbooks you will need
How many people are available to help you
How many variables you can test, to save money on materials
Cost and availability of materials and resources
30
Which statement could apply to a scientific theory?
It is based only a guess
It is unable to change
It is a law created by scientists
It is widely accepted by scientists
31
Read the question carefully below. (SC.7.N.1.4)
The type of rats and the food they eat
The rats’ weight and diet medication
The rat’s weight and the food they eat
The type of rats and the diet medication
32
Which of the following would be an accurate analysis of the information shown?
Least effective color for photosynthesis appears green.
Least effective colors for photosynthesis orange and red.
Most effective wavelengths for photosynthesis 450 and 550 nm
Lease effective wavelengths photosynthesis: 600 and 700 nm.
33
Which step must take place before a new scientific theory can replace a previous one?
It must be agreed upon by all scientist
It must be tested many times
It must be explained with a model
It must be accepted as a scientific law
34
Model of atom changed from newer research. Which statement of new model is true?
The new model is a wrong model and will not last.
The new model fits the data worse than the old model.
The new model is perfect and will not change.
The new model fits the data better than the old model.
35
Which of the following best describes a controlled experiment?A.
One variable at a time is tested in a controlled experiment.
All of the variables in a controlled experiment are the same
Controlled not as useful as uncontrolled experiments
All variables in a controlled experiment are different
36
Read the question carefully below. (SC.7.N.3.2)
The new method is more efficient at developing theories
The splitting of the atom created the need for a new theory
The atom has changed & new theories reflect these changes
As new discoveries are made, existing theories, are revised
37
Robert chose to perform the exact same experiment below. What was Robert trying to accomplish?
Repeat the experiment
Design an experiment
Analyze the results
Replicate the experiment
38
What is the test variable (independent variable) in this experiment?
The change in length of the caterpillars
The number of caterpillars in each box
Amount of water put on the leaves
Number of leaves put in each box
39
Which of the following statements explains why?
There is no test variable (IV)
Results of the experiment need to be presented in a graph
More than one test variable (IV) was changed in experiment
There are not enough different types of plants
40
Which sequence of events is a logical order of a scientific investigation?
Hypothesis - Experiment - Analysis of data- Conclusion
Analysis of data- Conclusion - Experiment - Hypothesis
Hypothesis - Experiment - Conclusion - Analysis of data
Experiment - Hypothesis - Analysis of data - conclusion
41
What is Jules missing from the experiment?
A measurable result
An outcome variable (dependent variable)
Different types of fish
A control group
42
What is the outcome variable (dependent variable) for their experiment?
Average mass of plants in each group
Salt concentration in plant water
Amount of water absorbed by plants
Salt concentration in plant tissue
43
Why is it important to repeat an experiment multiple times?
Repeating trials ensures that result was not an accident
Repeating trials not important when conducting an experiment
Repeating trials allows others to be able to copy your work
Repeating trials way to get funding for research project
44
What is an observation?
Recording what you see
Using senses to find answers
Process of obtaining information
Process of obtaining information by using the senses.
45
Which statement is an example of a scientific theory ?
Oil deposits can be found under oceans as well as under land
It is easier to dissolve some spices in milk than in water
There may be more droughts this year
Living things are made of cells
46
Mendelian genetics were developed prior to microscopes What does this demonstrate about science
Scientists didn't have proper equipment to make conclusions
Science advances result from new interpretations of old work
Early scientific research faulty because of bad methods
Improvements in equipment can disprove previous conclusions.
47
Read the question carefully below. (SC.6.N.1.1)
Desert lizards use their bodies to catch rainwater to drink.
Water can run along a lizard's back.
Desert lizards like water
Desert lizards can survive in the desert.
48
A theory can change with new evidence. Why is that?
scientific knowledge is not durable
scientific knowledge is a law
Scientific knowledge is durable
It cant
49
Which of the following best describes Jason’s investigation?
Investigation without manipulating a test variable (IV)
Reliable experiment controls all variables except for (IV)
Data proved weather conditions influence soil temperature.
It is a successful experiment that tests a hypothesis
50
Why is scientific thoughts said to be fluid?
it can change over time with new theories
it can change over time as new evidence arrive
it doesn't change
it doesn't change even with new evidence
51
Which statement best describes scientific theories?
Theories are explanations in the natural world
Theories are reasons for scientists to perform experiments
Theories are claims made by scientists in history
Theories are explanations about phenomena
52
Read the question carefully below. (SC.7.N.1.4)
How fast the balloon expands
The material from which the balloon is made.
The change in the circumference of the balloon.
The difference in air temperature
53
Which of the following is the term used for a scientific explanation of a natural phenomena?
A Procedure
A Theory
A Model
A Law
54
Nina compares level of carbonation in different sodas. Which describes evidence Nina gathered?
Data from Nina’s observations led to incorrect conclusion
Nina disregards observations b/c experiment uncontrolled
Nina uses data to form hypothesis & test it with experiment
Nina’s observations sufficient to form scientific conclusion
55
Evidence showed South America & Africa part of Pangea. Response to new geological finding?
Biologists reject geological finding, because it's new
Biologists ask physicists, b/c physics more exact science
Biologists reject belief in ancient species no land bridges.
Biologists update life history, based on new geological find
56
is scientific knowledge durable?
False
True
57
Which statement best describes how a scientific theory is created?
A theory is just a hunch, so it can be developed by anyone
The summary of a hypothesis supported by repeated testing
Developed only by scientist who work in a laboratory
An educated guess based on the observation of 1 scientist

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