BJU Physical Science Chapter 1

Flashcard
•
Science
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
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.
2.
FLASHCARD QUESTION
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.
3.
FLASHCARD QUESTION
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.
4.
FLASHCARD QUESTION
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.
5.
FLASHCARD QUESTION
Front
What are the two main branches of physical science?
Back
The two main branches of physical science are chemistry and physics.
6.
FLASHCARD QUESTION
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.
7.
FLASHCARD QUESTION
Front
How do scientific models evolve?
Back
Scientific models evolve as new data and discoveries are made, leading to refinements and improvements in understanding.
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