SOT 27: Electrical Energy-Reviewer

Which sub-particle has a negative charge?

• proton
• neutron
• electron
• both a neutron and an electron

What will happen to an object if it loses an Electron?

• The object will be positively charged

• The object will be negatively charged

• The object will become positive then negative

• Nothing will happen

Copper, silver, water, and the human body are examples of

• conductors

• insulators

• resistors

What will happen to an object if it gains an Electron?

• The object will be positively charged

• The object will be negatively charged

• The object will be positive then negative

• Nothing will happen to the object

What types of charges attract?

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

Material that allows electric current or thermal energy to pass through easily

• conductor
• insulator
• flow
• circuit

Material that slows down or stops electric current or thermal energy from passing through

• flow
• open circuit
• insulator
• conductor

Like charges (ex. Positive to Positive) will _______.

• Attract

• Repel

Particles with the _________ charge are attracted to each other.

• same

• opposite

Which of the following material is a good insulator?

• Rubber gloves

• Copper wire

• Iron rod

• Silver coins