BJU Physical Science Chapter 1

Front

What is a scientific model?

Back

A scientific model is a representation of an idea, object, or process that helps to explain and predict phenomena in the natural world. Models can change as new information is discovered.

Front

What does precision refer to in scientific measurements?

Back

Precision refers to the degree to which repeated measurements under unchanged conditions show the same results. It indicates the exactness of a measurement.

Front

What is the role of research in scientific inquiry?

Back

Research allows scientists to focus on investigating aspects that are not yet understood, helping to expand knowledge and refine theories.

Front

What is the law of cause and effect?

Back

The law of cause and effect states that every effect has a specific, identifiable cause, supporting the idea of an orderly universe.

Front

What are the two main branches of physical science?

Back

The two main branches of physical science are chemistry and physics.

Front

What is the difference between accuracy and precision?

Back

Accuracy refers to how close a measurement is to the true value, while precision refers to the consistency of repeated measurements.

Front

How do scientific models evolve?

Back

Scientific models evolve as new data and discoveries are made, leading to refinements and improvements in understanding.

Front

What is the significance of the scientific method?

Back

The scientific method is a systematic approach to inquiry that involves observation, hypothesis formation, experimentation, and conclusion to investigate natural phenomena.

Front

What is a hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

Front

What is the importance of peer review in science?

Back

Peer review is important because it ensures that research is evaluated by other experts in the field, which helps to validate findings and improve quality.