Electrical Energy Pretest

What is electrical energy?

• movement of electrons

• a form of potential energy

• a form of thermal energy

• movement of protons

What types of charges attract?

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

Tags

NGSS.MS-PS2-3

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

What charge does an electron have?

• negative (-)
• positive (+)
• neutral or no charge (0)

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

Rubbing a balloon on hair is an example of static charge build up created by....

• conduction
• friction
• induction
• hairduction

Which of the following is an insulator?

• copper

• wood

• silver

• Tin

Metals such as copper, iron, gold, and silver are ...

• conductors
• brittle
• insulators
• resistors

Which type of charges do these balloons have?

• like charges
• opposite charges

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What type of charge do these balloons have?

• like charges
• opposite charges

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5