Electroscopes

A neutral electroscope is charged by touching it with a positive rod. 

• A
• B
• C
• D

A neutral electroscope is charged by bringing a negatively charged rod next to the top of the electroscope

• A
• B
• C
• D

Tags

NGSS.HS-PS2-5

A neutral electroscope

• A
• C
• D
• E

Tags

NGSS.HS-PS2-4

A neutral electroscope is charged by bringing a negative rod next to it, then touching it. 

• A
• B
• C
• E

Tags

NGSS.HS-PS2-4

A positively charged electroscope is grounded

• A
• B
• C
• E

Tags

NGSS.HS-PS2-4

A neutral electroscope is charged by conduction with a negative rod

• A
• B
• C
• D

A neutral electroscope is polarized by bringing a negatively charged rod near the top

• A
• B
• C
• D

Tags

NGSS.HS-PS2-4

A static discharge is different from an electric current in that a static discharge _____.

• involves the movement of ions as well as electrons
• is a flow of electrons
• lasts for only a fraction of a second
• results because a force is exerted on the electrons

If the leaves of an electroscope spread apart, it indicates that _____.

• the leaves of the electroscope are neutral
• the leaves of the electroscope have received a charge
• no charge is moving through the electroscope
• there is static electricity in the electroscope

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity