Hewitt Electrostatics

Consider the conduction charging shown. 

• Electrons move from the insulating stand into the sphere.

• Protons move from the bar into the sphere.

• Electrons move from the charged metal bar into the sphere.

• Protons move from the sphere into the negatively charged bar.

Tags

NGSS.MS-PS2-3

Opposite charges _______ each other

• repel

• attract

The number of protons is more than the electrons.

• Positively charged

• Negatively charged

• Neutral

Tags

NGSS.MS-PS2-3

The number of protons and electrons is equal

• Positively charged

• Negatively charged

• Neutral

An ____________ is a device used to detect the existence of

electric charges on an object.

• microscope

• electroscope

• stethoscope

• telescope

Lightning is a result of the force of attraction that exists between the ________ charges on the ground and the __________ charges in the clouds.

• negative, positive

• negative, neutral

• positive, negative

• positive, neutral

The number of electrons is more than the protons

• Positively charged

• Negatively charged

• Neutral

Tags

NGSS.MS-PS1-1

The lightning ___________ is installed at buildings to provide a path for the electric charges to flow into the ground.

• insulator

• metal

• plastic

• conductor

When two different types of insulators are rubbed together, ____________ electric charges are produced.

• mobile

• static

• no

• some

Tags

NGSS.MS-PS2-3

They are two types of electric charges: positive charge and negative charge.

• True

• False

Tags

NGSS.MS-PS2-3