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

Responses

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

A hypothesis provides a final conclusion for the investigation.
A hypothesis provides a final conclusion for the investigation.

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

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

11 answers

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

Which of the following is NOT a limitation of science?(1 point)
Responses

Science requires a lot of money for scientific investigation.
Science requires a lot of money for scientific investigation.

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 is always changing.

Which of the following best describes the dangers of handling corrosive materials in a laboratory?(1 point)
Responses

Corrosive materials can cause explosions when exposed to light.
Corrosive materials can cause explosions when exposed to light.

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 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 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.

Which of the following is a scientific statement?(1 point)
Responses

Using animals for scientific experiments is unethical.
Using animals for scientific experiments is unethical.

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

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.

Water boils at 100 degrees Celsius at standard atmospheric pressure.

Why is it necessary to test a hypothesis in scientific research?(1 point)
Responses

To ensure all scientists agree with the hypothesis.
To ensure all scientists agree with the hypothesis.

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

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

To avoid having to conduct further experiments.

To collect data that can confirm or contradict the hypothesis.

What is the best definition of a scientific theory?(1 point)
Responses

A detailed description of a scientific experiment
A detailed description of a scientific experiment

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

An educated guess
An educated guess

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

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.