Chapter 1: The World of Physical Science

What is science?

(a)  

What is physical science?

• The study of life.

• The study of all forms of matter.

• The study of matter and energy.

• The study of the weather.

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Which of the following statements is true?

• Energy is the ability to do work.

• Air is made of matter.

• All matter has energy.

• All of the above.

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Observations are the ways in which scientists answer questions and solve problems.

• True

• False

Are two steps of the scientific method

• Ask a question

• Planning a report

• Draw conclusions

• Keep the information to yourself

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It's a possible explanation or an answer to a question...

• conclusion

• hypothesis

• question

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Which kind of model would you use to represent a human brain?

• a mathematical model

• a conceptual model

• a physical model

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SI units used to measure length

• meters (m)

• Farenheit (°F)

• miles (mi)

SI units used to measure mass

• ounces (oz)

• kilograms (kg)

• pounds (lb)

It's another SI unit used to measure temperature

• Fahrenheit (°F)

• Kelvin (K)