Investigation 4 Review

Who first believed that objects were made of tiny, indivisible particles of matter?

• Bohr

• Thompson

• Rutherford

• Democritus

When collecting ___________ evidence, measurements or observations are made of one thing to get information about another.

• Direct

• Indirect

• Fake

Tags

NGSS.MS-LS2-1

When collecting __________ evidence, you make observations and take measurements of the objects or phenomena themselves

• Direct

• Indirect

• Fake

Tags

NGSS.MS-PS2-2

Which experiment did J.J. Thompson conduct?

• Gold Foil

• Mystery Box

• Cathode Ray

What are the particles in the cathode ray?

• Protons

• Neutrons

• Electrons

According to the ____________ model, negative electrons were suspended within a positive haze of electric charge.

• Nuclear

• Bohr

• Simple

• Plum pudding model

True or False: The plum pudding model is the currently accepted model for the atom.

• True.

• False.

Who conducted the gold foil experiment?

• JJ Thompson

• Niels Bohr

• Ernest Rutherford

• Democritus

Which experiment suggested that atoms have a very small, dense, positive core.

• Cathode ray

• Gold Foil

• The pudding

Tags

NGSS.HS-PS1-8

What is the charge of protons?

• Positive

• Negative

• Neutral

• unknown