Static Electricity and Electroscope

The accumulation or buildup of excess electric charges on an object

• static electricity

• grounding

• electron cloud

Material in which electrons/electricity are able to move (through) easily

• conductors

• detectors

• insulators

A(n) ______________________________ is an instrument used to detect the presence of an electric charge.

• scale

• van de graaff generator

• electroscope

Protons have a positive charge. Electrons have a negative charge.

• True

• False

In which picture(s) below will the charged objects attract?

• A and C

• B and D

• A and B

What is NOT a good conductor

• Water

• Metal

• Rubber

The picture is showing ____________

• Charge by contact

• Charge by induction

• Charge by electricity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.
• The balloons will attract each other.
• The balloons will become positively (+) charged.
• The balloons will pop.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Tags

NGSS.MS-PS2-3

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

• The doorknob sends a burst of electric current into your body
• Millions of electrons go from your finger into the doorknob
• The doorknob sends millions of electrons into your finger
• our finger becomes negatively charged

Tags

NGSS.MS-PS2-3