Physical Science Semester 1 Exam

How are science and technology related?

• Technology is a branch of natural science.

• Science is a branch of technology.

• Advances in science may lead to advances in technology and vice versa.

• Science and technology are not related.

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NGSS.MS-PS1-3

How does Earth science overlap with life science?

• Earth science involves the study of Earth’s rocks.

• Earth science involves the study of systems that may include living organisms.

• Earth science involves the study of the composition of matter.

• Earth science does not overlap with life science.

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NGSS.MS-ESS2-3

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What are the building blocks of all matter?

• Forces

• Atoms

• Magnetic fields

• Kinetic and potential energy

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

What happens when the data in an investigation do not support the original hypothesis?

• The scientist gives up and starts an investigation on a new topic.

• The data must be incorrect and are thrown out.

• The hypothesis will be revised.

• The data are altered so that they support the original hypothesis.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which of the following statements is true about scientific theories?

• Scientific theories become scientific laws.

• Scientific theories are never proven.

• Scientific theories become hypotheses.

• Scientific theories summarize patterns found in nature.

Which of the following is NOT a pure substance?

• milk

• Oxygen

• water

• carbon dioxide

If an unknown substance CANNOT be broken down into simpler substances, it is

• a compound.

• an element.

• made of one kind of atom.

• both b and c

The symbol for gold is

• Au.

• Al.

• Gl.

• Go.

Water is a compound because it

• can be broken down into hydrogen and oxygen.

• has a fixed composition.

• is made of water atoms joined together.

• both a and b

Tags

NGSS.MS-PS1-1

Which of the following is a characteristic of a mixture?

• can have varying properties

• has a fixed composition

• contains no pure substances

• both a and b