Electricity SOL Questions

Which of these best completes the circuit?

• Rubber band
• Metal nail
• Leather shoelace
• Wooden toothpick

Answer explanation

Which of these materials is a good conductor of electricity?

• Rubber
• Glass
• Metal
• Newspaper

Answer explanation

Tags

NGSS.MS-PS2-3

Electric lights will not come on unless their electrical circuit is a —

• parallel circuit
• series circuit
• closed circuit
• short circuit

Answer explanation

A fifth-grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?

• Plastic straw
• Cotton string
• Aluminum foil
• Rubber eraser

Answer explanation

Tags

NGSS.4-PS3-2

A class prepared some electric circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?

Hint: You have to look very closely

• 
• 
• 
• 

Answer explanation

Tags

NGSS.4-PS3-2

Which of these substances conducts electricity the best?

• Wood
• Brick
• Copper
• Plastic

Answer explanation

The electrician in this picture is wearing rubber gloves for protection. The purpose of the rubber gloves is to —

• keep the electrician dry
• create an electrical circuit
• produce electricity
• insulate the electrician

Answer explanation

What material would be safest to use as an insulator to cover electrical wires?

• Aluminum
• Tin
• Rubber
• Water

Answer explanation

Copper wire is often wrapped in plastic. Plastic material is a good —

• electromagnet
• Insulator
• circuit
• current

Answer explanation

Many electrical wires are wrapped with a plastic coating because plastic is —

• less expensive than steel
• more dense than copper
• able to keep its shape
• a good insulator

Answer explanation

Tags

NGSS.MS-PS3-3