Physical Science First Semester Review (Chemistry Unit)

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.

Why are scientific models important?

• They prove scientific theories.

• They help visualize things that are very complex, very large, or very small.

• They make it harder to understand things.

• d. They never change.

Tags

NGSS.HS-ETS1-4

The type of graph used to show how a part of something relates to the whole is a

• circle graph

• bar graph

• line graph

• direct proportion

Which of the following is a characteristic of a mixture?

• has varying properties

• has a fixed composition

• contains only pure substances

• has varying properties & a fixed composition

Which of the following has the highest viscosity?

• Corn Syrup

• Milk

• Water

• Orange Juice

A substance that has high reactivity

• easily combines chemically with other substances

• burns in the presence of water

• displaces dissolved oxygen

• has a high boiling point.

Tags

NGSS.HS-PS1-1

Forces of attraction limit the motion of particles most in

• a solid

• a liquid

• a gas

• a liquid & a gas

The phase change that is the reverse of condensation is

• freezing

• sublimation

• vaporization

• melting

Tags

NGSS.MS-PS1-4

The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is

• sublimation

• deposition

• evaporation

• melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following most accurately represents John Dalton’s model of the atom?

• a tiny, solid sphere with an unpredictable mass for a

  given element

• a hollow sphere with a dense nucleus

• a tiny, solid sphere with predictable mass for a given

  element

• a sphere that is hollow throughout