Intro to the Nature of Science and Technology

What do scientists use to represent objects or processes that cannot be directly observed?

• model

• theory

• law

• hypothesis

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Physical science is divided into two main areas:

• biology and chemistry

• chemistry and physics

• biology and physics

• physics and earth science

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A possible explanation or answer to a question is...

• hypothesis

• scientific method

• data

• first aid

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A series of steps used to answer questions and solve problems is called the...

• hypothesis

• scientific method

• data

• first aid

Why should you study science?

• I have no choice.

• To learn about the world around me.

• What is science?

• I never study.

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Scientists use _______ to represent natural systems because these systems are often too large, too small, or too complex to study.

• systems

• models

• measurements

• balances

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What is science?

• knowledge obtained by observing natural events

• a system of ideas that explains many related observations

• a descriptive statement or equation

What is a theory?

• educated guess

• possible explanation

• a system of ideas that explains many related observations

• a representation of an object or event

Technology is:

• handheld device

• a representation of an object

• descriptive statement or equation

• application of science for practical purposes

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Physics is

• forces, motion and energy

• matter and its changes

• matter and energy

• living things

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