2.Scientific Method Notes

Last updated about 2 hours ago

56 Nsɛmmisa

Laabri

2.Scientific Method Notes

Last updated about 2 hours ago

56 Nsɛmmisa

1

What is the first step of the scientific method?

Conduct an experiment

Ask a question or recognize a problem

Form a hypothesis

Research existing theories

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What is a key characteristic of observations?

They are non-judgmental and factual.

They often offer conclusions.

They are always subjective and biased.

They must be vague and brief.

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What is an inference?

A conclusion drawn from evidence and background knowledge.

An observation about the environment.

A fact proven by experiments.

A guess without any data.

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Which statement best describes inference?

A random guess about outcomes

A fact that cannot be argued

A question about the data

Best explanation based on evidence

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What can we infer from dark clouds?

The sun will come out.

Rain might be coming soon.

It's a sunny day.

They are just decorations.

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In what format is a hypothesis generally written?

Descriptive paragraph

Question format

Multiple choice

If-then statement

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What is a hypothesis?

An experiment's results.

A proposed explanation to a problem.

The conclusion of an experiment.

A proven fact of science.

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What does it mean to nullify a hypothesis?

To ignore the hypothesis

To confirm the hypothesis

To prove the hypothesis wrong.

To make a new hypothesis

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What does the experimental group contain?

It uses multiple variables at once.

It is always larger than the control group.

It contains no variables at all.

It has one variable that is changed during testing.

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What do we call the variable that is changed in an experiment?

Constant factor

Controlled variable

Independent variable

Dependent variable

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How does data analysis differ from data collection?

Analysis is just organizing data.

Both processes are identical.

Collection is always more accurate.

Analysis involves interpreting data to find meaning.

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What is a conclusion in the scientific method?

A random fact unrelated to data.

A summary of whether or not the hypothesis was correct.

An observation made during the experiment.

A guess about the results.

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What happens if a hypothesis is proven wrong?

It is always accepted immediately.

It should not be tested again.

It can be revised or discarded.

It remains unchanged forever.

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What can happen if a hypothesis successfully passes review?

It might be completely discarded.

It is written in textbooks.

It will be publicly debated.

It can be added as a principle or law.

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What is the first step in the scientific method?

Form a hypothesis

Make observations

Ask a question

Analyze the results

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Which example represents a scientific law?

Big Bang Theory of Universe.

Universal Law of Gravitation.

Law of Superposition in Social Studies.

Theory of Evolution by Natural Selection.

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What is a key function of scientific theories?

They are just educated guesses.

They link scientific principles and explain phenomena.

They are only for predicting outcomes.

They never change over time.

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What are observations in scientific research?

Predictions about outcomes.

Suspicions about events.

Facts without judgments or opinions.

Personal beliefs or biases.

1

What is the role of the control group in an experiment?

It is manipulated by the scientist.

It remains unchanged for comparison purposes.

It must change with every experiment.

It is the group being tested.

1

What is a key characteristic of observations?

They are non-judgmental and factual.

They often offer conclusions.

They are always subjective and biased.

They must be vague and brief.

1

What should observations offer about what is seen?

Hypotheses regarding the outcome.

Clear and factual statements only.

Complicated theories and beliefs.

Personal feelings about the event.

1

What is an inference?

A conclusion drawn from evidence and background knowledge.

An observation about the environment.

A fact proven by experiments.

A guess without any data.

1

Why do scientists make inferences?

To explain evidence and understand observations.

To state facts without context.

To make random guesses.

To eliminate the need for evidence.

1

What can we infer from dark clouds?

The sun will come out.

Rain might be coming soon.

It's a sunny day.

They are just decorations.

1

Why do people carry umbrellas when it rains?

For fashion purposes.

To keep cool.

To shield from sun.

To stay dry from rain.

1

How does data analysis differ from data collection?

Analysis is just organizing data.

Both processes are identical.

Collection is always more accurate.

Analysis involves interpreting data to find meaning.

1

Which of the following is a method of data analysis?

Collecting samples from the environment.

Taking measurements with instruments.

Creating and interpreting graphs.

Making predictions about future experiments.

1

What can happen if a hypothesis successfully passes review?

It might be completely discarded.

It is written in textbooks.

It will be publicly debated.

It can be added as a principle or law.

1

Which example represents a scientific law?

Big Bang Theory of Universe.

Universal Law of Gravitation.

Law of Superposition in Social Studies.

Theory of Evolution by Natural Selection.

1

How are laws different from theories?

Theories can become laws over time.

Laws are tested and proven.

Laws explain why phenomena occur.

Theories are facts that cannot change.

1

What is a key function of scientific theories?

They are just educated guesses.

They link scientific principles and explain phenomena.

They are only for predicting outcomes.

They never change over time.

1

Which statement about theories is true?

They cannot be revised once accepted.

They focus only on specific events.

They explain a wide variety of natural phenomena.

They are always proven right immediately.

Why is asking a question important in science?

It proves your theory is correct.

It speeds up the process.

It identifies what you want to learn.

It requires no evidence.

What should a good scientific question be based on?

Personal opinions and beliefs

Random thoughts without evidence

What others have already proven

Observations and curiosity about the world

What should observations offer about what is seen?

Hypotheses regarding the outcome.

Clear and factual statements only.

Complicated theories and beliefs.

Personal feelings about the event.

Why do scientists make inferences?

To explain evidence and understand observations.

To state facts without context.

To make random guesses.

To eliminate the need for evidence.

Why is evidence important in science?

Reduces the need for experiments

Makes observations clearer

Helps scientists make guesses

Supports all inferences made

Can people make different inferences?

Yes, if supported by evidence

Yes, but they must be random

No, observations dictate inferences

No, inferences must be the same

Why do people carry umbrellas when it rains?

For fashion purposes.

To keep cool.

To shield from sun.

To stay dry from rain.

When should a hypothesis be created?

After testing

During the experiment

Only if results are unclear

Before testing begins

What describes a hypothesis?

An educated guess

A theory

A proven fact

A conclusion from tests

Which statement best describes a hypothesis?

It must be true before testing.

It predicts an outcome based on evidence.

It's not based on observations.

It's a final conclusion of a test.

What is essential for forming a hypothesis?

Repeating the experiment multiple times.

Identifying a clear problem to solve.

Collecting data from experiments.

Choosing random variables to test.

How is a hypothesis tested?

By stating facts from textbooks.

With theoretical calculations only.

By making logical guesses.

Through scientific experimentation and observation.

What happens after a hypothesis is tested?

It is either verified or nullified.

It becomes a theory

It is published in a journal

It is discarded completely

Which term means to prove a hypothesis correct?

Nullify

Debunk

Assume

Verify.

Why do we only change one factor in an experiment?

To reduce the number of trials required.

To confuse the results for analysis.

To keep the experiment simpler.

To accurately determine the cause of the effect.

What does a good experiment mostly rely on?

Random guessing of results.

Clear comparisons between control and experimental groups.

Limited data collection and analysis.

Only anecdotal evidence.

Which variable is measured since it changes in response to the independent variable?

Extraneous variable

Control variable

Independent variable

Dependent variable

What is the role of the independent variable in an experiment?

Has no effect on results

Is measured after results

Remains constant throughout

Causes changes in the dependent variable

When leaves change color in the fall, what might be the independent variable?

Soil type

Sunlight exposure

Water amount

Temperature

Which of the following is a method of data analysis?

Collecting samples from the environment.

Taking measurements with instruments.

Creating and interpreting graphs.

Making predictions about future experiments.

Why is data important in a conclusion?

It makes the conclusion longer.

It confuses the reader about results.

It supports or denies your hypothesis clearly.

It is required for every experiment.

Which statement is true about a hypothesis?

It can be proven correct or incorrect by data.

It must always be correct.

It doesn't need testing.

It is the final step in research.

What happens after analyzing data?

Ignore the data and guess.

You draw a conclusion based on the findings.

Start a new hypothesis immediately.

Share results without a conclusion.

How is a verified hypothesis treated?

It gets ignored by scientists.

It is never questioned again.

It is tested repeatedly and scrutinized.

It is accepted without further testing.

What does it mean if a hypothesis is nullified?

It is proven right and accepted immediately.

It is written down and forgotten.

It is proven wrong through testing.

It is only revised once after testing.

Why should hypotheses be tested multiple times?

To make science easier to understand.

To prove them right immediately.

To ensure reliability and accuracy.

To avoid any confusion in experiments.

Why is analyzing results important?

To skip steps in research

To ignore hypothesis

To speed up the process

To understand findings from the experiment

What should you do if results don't support your hypothesis?

Change the experiment goal

Report the data

Ignore the results

Revise the hypothesis and test again

Which step involves sharing findings?

Communicate the results

Analyze the results

Make observations

Draw conclusions

How are laws different from theories?

Theories can become laws over time.

Laws are tested and proven.

Laws explain why phenomena occur.

Theories are facts that cannot change.

Which statement about theories is true?

They cannot be revised once accepted.

They focus only on specific events.

They explain a wide variety of natural phenomena.

They are always proven right immediately.

What do experiments do with hypotheses?

They test the validity of hypotheses.

They prove hypotheses as true.

They create new hypotheses.

They provide final conclusions.

What do conclusions indicate in experiments?

The initial observation made.

The starting point for an experiment.

A final theory about the topic.

Whether the hypothesis is supported or not.

What are theories in science?

Combining well-tested hypotheses and principles.

Unverified guesses about the future.

Personal opinions about scientific facts.

Proving all outcomes in experiments.

What is the role of the dependent variable in an experiment?

It remains unchanged throughout the experiment.

It determines the outcome of the experiment.

It is manipulated by the scientist.

It changes in response to the independent variable.

Which group does not receive the treatment in an experiment?

The dependent variable is not tested.

The experimental group is tested.

All variables are part of the control.

The control group remains unchanged.

Why are control groups important in experiments?

They provide a baseline for comparison.

They replace the independent variable.

They are always tested first.

They must be tested with treatment.