2.3 Nature of Science Assessment Review

A ___ is a starting point for further investigation, or an educated guess.

Atoms are ___ .

• can be viewed through a light microscope

• the basic building blocks of matter

• tiny Minions

• not a significant thing in chemistry

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the smallest particle of the element helium (He) that can be still classified as helium?

• positron

• molecule

• neutron

• atom

Tags

NGSS.MS-PS1-1

Which is the most current atomic model?

• Bohr Model

• Rutherford Model

• The Atomic Model

• Electron Cloud Model

If you took all of the atoms out of a mirror, what would be left?

• A piece of glass

• The frame

• Nothing

• A ray of light

Tags

NGSS.MS-PS1-1

How does Ernest Rutherford describe the makeup of an atom?

• protons

• empty space

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

Why is Neils Bohr's model no longer accepted as correct?

• Electrons move from an inner orbit to an outer orbit when energy is absorbed.

• Electrons do not move around the nucleus in circular orbits.

• Electrons do not move around the nucleus of the atom.

• Electrons move from an outer orbit to an inner orbit when energy is lost.

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NGSS.HS-PS4-3

This is an example of ___ .

• The Bohr Atomic Model

• The Electron Cloud Model

• The Schrodinger Atomic Model

• The Jimmy Neutron Atomic Model

Tags

NGSS.MS-PS1-1

This atomic model is NOT the currently accepted atomic model because electrons DO NOT follow a circular orbit. Who is the author?

• Ernest Rutherford

• John Dalton

• Neils Bohr

• Erwin Schrodinger

Tags

NGSS.MS-PS1-1