Why is it important to form a hypothesis when conducting a scientific investigation?(1 point)

Question

Responses

A hypothesis offers a testable statement that guides the direction of the experiment.
A hypothesis offers a testable statement that guides the direction of the experiment.

A hypothesis helps to develop a theory immediately.
A hypothesis helps to develop a theory immediately.

A hypothesis ensures that the results will be accurate.
A hypothesis ensures that the results will be accurate.

A hypothesis provides a final conclusion for the investigation.
A hypothesis provides a final conclusion for the investigation.
Question 2
Which of the following is NOT a limitation of science?(1 point)
Responses

Science cannot make value judgments.
Science cannot make value judgments.

Science is always changing.
Science is always changing.

Science can almost replicate natural events, but it is not exact.
Science can almost replicate natural events, but it is not exact.

Science requires a lot of money for scientific investigation.
Science requires a lot of money for scientific investigation.
Question 3
Which of the following best describes the dangers of handling corrosive materials in a laboratory?(1 point)
Responses

Corrosive materials are non-reactive and safe to handle without protective equipment.
Corrosive materials are non-reactive and safe to handle without protective equipment.

Corrosive materials emit toxic fumes that are harmless to human health.
Corrosive materials emit toxic fumes that are harmless to human health.

Corrosive materials can damage and destroy living tissues upon contact, as well as corrode metals and other materials.
Corrosive materials can damage and destroy living tissues upon contact, as well as corrode metals and other materials.

Corrosive materials can cause explosions when exposed to light.
Corrosive materials can cause explosions when exposed to light.
Question 4
Which of the following is a scientific statement?(1 point)
Responses

Water boils at 100 degrees Celsius at standard atmospheric pressure.
Water boils at 100 degrees Celsius at standard atmospheric pressure.

Limiting carbon emissions is necessary to combat climate change.
Limiting carbon emissions is necessary to combat climate change.

Nanotechnology is dangerous and should be heavily regulated
Nanotechnology is dangerous and should be heavily regulated

Using animals for scientific experiments is unethical.
Using animals for scientific experiments is unethical.
Question 5
Why is it necessary to test a hypothesis in scientific research?(1 point)
Responses

To collect data that can confirm or contradict the hypothesis.
To collect data that can confirm or contradict the hypothesis.

To prove the hypothesis is always correct.
To prove the hypothesis is always correct.

To avoid having to conduct further experiments.
To avoid having to conduct further experiments.

To ensure all scientists agree with the hypothesis.
To ensure all scientists agree with the hypothesis.
Question 6
What is the best definition of a scientific theory?(1 point)
Responses

A tentative guess about the natural world that has yet to be tested
A tentative guess about the natural world that has yet to be tested

An educated guess
An educated guess

A well-substantiated explanation of an aspect of the natural world that is based on a body of evidence and has been repeatedly confirmed through observation and experimentation
A well-substantiated explanation of an aspect of the natural world that is based on a body of evidence and has been repeatedly confirmed through observation and experimentation

A detailed description of a scientific experiment
A detailed description of a scientific experiment
Question 7
Why can scientists never prove a theory absolutely?(1 point)
Responses

Because scientific theories are based on untested hypotheses
Because scientific theories are based on untested hypotheses

Because scientific theories are constantly changing and cannot be relied upon
Because scientific theories are constantly changing and cannot be relied upon

Because scientific theories are just educated guesses and lack empirical support
Because scientific theories are just educated guesses and lack empirical support

Because new evidence or observations could potentially contradict or modify the theory
Because new evidence or observations could potentially contradict or modify the theory
Question 8
What is the main difference between a hypothesis and a theory in scientific research?(1 point)
Responses

A hypothesis is a tentative explanation that can be tested by experiments while a theory is well-substantiated explanation based on a body of evidence.
A hypothesis is a tentative explanation that can be tested by experiments while a theory is well-substantiated explanation based on a body of evidence.

A hypothesis is a general principle that explains a wide range of phenomena, while a theory is a specific prediction about the outcome of an experiment.
A hypothesis is a general principle that explains a wide range of phenomena, while a theory is a specific prediction about the outcome of an experiment.

A hypothesis can never be modified, whereas a theory is subject to change with new evidence.
A hypothesis can never be modified, whereas a theory is subject to change with new evidence.

A hypothesis is a well-substantiated explanation of natural phenomena, while a theory is an educated guess that needs to be tested.
A hypothesis is a well-substantiated explanation of natural phenomena, while a theory is an educated guess that needs to be tested.
Question 9
Which of the following is a limitation of science?(1 point)
Responses

Science cannot address supernatural phenomena or questions of moral and ethical values.
Science cannot address supernatural phenomena or questions of moral and ethical values.

Science can provide definitive answers to all questions about the natural world.
Science can provide definitive answers to all questions about the natural world.

Science can predict every future event with absolute certainty.
Science can predict every future event with absolute certainty.

Science relies solely on subjective opinions and personal beliefs.
Science relies solely on subjective opinions and personal beliefs.
Question 10
Which of the following is a crucial lab safety practice?(1 point)
Responses

Eating and drinking in the laboratory to maintain energy levels.
Eating and drinking in the laboratory to maintain energy levels.

Ignoring safety data sheets since they are not important.
Ignoring safety data sheets since they are not important.

Disposing of chemical in any sink to ensure quick cleanup.
Disposing of chemical in any sink to ensure quick cleanup.

Wearing appropriate personal protective equipment (PPE) at all times.
Wearing appropriate personal protective equipment (PPE) at all times.
Question 11
Which of the following is an important safety procedure for scientists working in a natural environment?(1 point)
Responses

Ignoring weather forecasts since natural conditions are unpredictable.
Ignoring weather forecasts since natural conditions are unpredictable.

Wearing appropriate clothing and protective gear suited for the specific environment.
Wearing appropriate clothing and protective gear suited for the specific environment.

Avoiding the use of any safety equipment to reduce the weight of their gear.
Avoiding the use of any safety equipment to reduce the weight of their gear.

Working alone to minimize the impact on the environment.
Working alone to minimize the impact on the environment.
Question 12
Why is the Safety Data Sheet (SDS) important in a laboratory setting?(1 point)
Responses

It provides entertainment for lab personnel during breaks.
It provides entertainment for lab personnel during breaks.

It serves as a record of experiments conducted in the lab.
It serves as a record of experiments conducted in the lab.

It contains detailed information on the properties, hazard, safe handling and emergency measures related to chemicals used in the lab.
It contains detailed information on the properties, hazard, safe handling and emergency measures related to chemicals used in the lab.

It lists the names of all personnel who have worked with a particular chemical.

Answer 1

Here are the answers to the questions based on the options provided:

Question 1: Why is it important to form a hypothesis when conducting a scientific investigation?

• A hypothesis offers a testable statement that guides the direction of the experiment.

Question 2: Which of the following is NOT a limitation of science?

• Science cannot make value judgments.

Question 3: Which of the following best describes the dangers of handling corrosive materials in a laboratory?

• Corrosive materials can damage and destroy living tissues upon contact, as well as corrode metals and other materials.

Question 4: Which of the following is a scientific statement?

• Water boils at 100 degrees Celsius at standard atmospheric pressure.

Question 5: Why is it necessary to test a hypothesis in scientific research?

• To collect data that can confirm or contradict the hypothesis.

Question 6: What is the best definition of a scientific theory?

• A well-substantiated explanation of an aspect of the natural world that is based on a body of evidence and has been repeatedly confirmed through observation and experimentation.

Question 7: Why can scientists never prove a theory absolutely?

• Because new evidence or observations could potentially contradict or modify the theory.

Question 8: What is the main difference between a hypothesis and a theory in scientific research?

• A hypothesis is a tentative explanation that can be tested by experiments while a theory is a well-substantiated explanation based on a body of evidence.

Question 9: Which of the following is a limitation of science?

• Science cannot address supernatural phenomena or questions of moral and ethical values.

Question 10: Which of the following is a crucial lab safety practice?

• Wearing appropriate personal protective equipment (PPE) at all times.

Question 11: Which of the following is an important safety procedure for scientists working in a natural environment?

• Wearing appropriate clothing and protective gear suited for the specific environment.

Question 12: Why is the Safety Data Sheet (SDS) important in a laboratory setting?

• It contains detailed information on the properties, hazard, safe handling and emergency measures related to chemicals used in the lab.

Feel free to ask if you need further clarification on any of the responses!