Unit 2- Topic 2 - Quiz Electricity

Rubbing a balloon on the wall transfers electrons to the balloon. The wall is now positive, and balloon has negative charge, so the balloon is attracted to the wall.

What term best describes this charge imbalance?

• static electricity

• insulator

• magnetism

• electric current

Tags

NGSS.MS-PS2-3

The charge cable for the phone has a protective coating around the wires inside.

The coating prevents electric current from escaping the wires.

What term best describes the coating on the wire?

• magnet

• insulator

• switch

• conductor

What is the role of conductive material in an electrical circuit?

• Conductors prevent electrons from flowing thru circuit.

• Conductors store electrical energy for later.

• Conductors allow electrons to travel between circuit components.

• Conductors convert kinetic energy into chemical energy.

Examine the circuit diagram. Which symbol represents the area where chemical energy is stored?

Which of the diagrams represents a series circuit?

• 
• 
• 
• 

Which of the following is a possible path that electric current can travel?

• battery-> switch -> light -> battery

• battery-> light -> switch-> battery

• switch-> light->light-> switch

• battery-> light-> light-> battery

Tags

NGSS.MS-PS2-3

What will happen if switch Y is open but switch Z is closed?

• The light will illuminate to half brightness.

• The light will remain dark.

• The light will flash on and off.

• The light will illuminate to full brightness.

Tags

NGSS.MS-PS3-5

What will happen if switch V is open, but switch W is closed?

• The light will illuminate to half brightness.

• The light will illuminate to full brightness.

• The light will flash on and off.

• The light will remain dark.

Generators convert one type of energy into another. What type of energy is present in the generator's wires?

• chemical energy

• potential energy

• mechanical kinetic energy

• electrical energy

Which of the following do hydropower, nuclear, and gasoline generators have in common?

• The energy source is renewable.

• Batteries provide a source of energy.

• Kinetic energy causes a turbine to spin.

• They produce carbon dioxide that contributes to climate change.

Tags

NGSS.MS-PS3-5