Chem H Quiz 9

What is the state of matter characterized by fixed shape and volume, where particles are closely packed and vibrate in place?

• Liquids

• Gases

• Solids

• Plasma

Tags

NGSS.MS-PS1-4

Which term describes a negatively charged ion formed when an atom gains one or more electrons?

• Cation

• Anion

• Proton

• Neutron

What is a subatomic particle with a positive charge found in the nucleus of an atom?

• Electron

• Neutron

• Proton

• Photon

Which term refers to elements that are typically shiny and good conductors of heat and electricity?

• Nonmetals

• Metalloids

• Metals

• Gases

What is the basic unit of matter, consisting of a nucleus of protons and neutrons, surrounded by electrons?

• Molecule

• Atom

• Compound

• Element

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

Which term describes a mixture in which the composition is uniform throughout?

• Heterogeneous

• Homogeneous

• Compound

• Element

What is a Quantitative Observation?

• An observation that involves numbers or measurements, such as temperature or mass.

• An observation that describes qualities like color or texture.

• A logical interpretation based on known facts.

• A systematic approach to investigation.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-1

NGSS.HS-PS3-4

What is a Qualitative Observation?

• An observation that involves numbers or measurements.

• A logical interpretation based on observations.

• A systematic approach to investigation.

• An observation that describes qualities like color or texture.

What is an Inference?

• A logical interpretation based on observations or known facts.

• A systematic approach to investigation.

• A characteristic of a substance that can be observed.

• A change in the appearance of matter.

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-3

What is the Scientific Method?

• A logical interpretation based on observations.

• A systematic approach to investigation involving observation, hypothesis formulation, experimentation, and conclusion.

• A characteristic of a substance that can be observed.

• A change in the appearance of matter.

Tags

NGSS.MS-PS1-2