Charging Objects

If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that

• friction destroyed electrons in the rod.

• the silk has become negatively charged.

• protons have moved to the rod.

• glass attracts more protons.

Charging by contact results in both objects having the same charge.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Your arm hair raising as you approach a television is an example of charging by induction

• true

• false

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A neutral metal sphere is touched by a negatively charged metal rod. As a result, the sphere will be ____ and the metal rod will be ____.

• positive, negative

• positive, positive

• negative, positive

• negative, negative

• neutral, positive

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which type of charge is pictured?

• neutral

• positive

• negative

Tags

NGSS.MS-PS2-3

What kind of charge is this? (Electron)

• Positive charge

• Negative charge

• Neutral charge

Tags

NGSS.MS-PS2-3

Which type of charge (positive, negative, or neutral) is pictured? How do you know?

Tags

NGSS.MS-PS2-3

What kind of charge is this?

• Positive charge

• Negative charge

• Neutral charge

Tags

NGSS.MS-PS2-3

What will occur when a negatively charged object is brought close to a neutral object?

• Attraction

• Repulsion

• Nothing

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What would happen if the t-shirt and the balloon were brought close together?

• They would attract

• They would repel

Tags

NGSS.MS-PS2-3