Energy Transformation in Circuits

A student connects a wire to a battery and a small bulb to make a simple circuit. The bulb glows. What type of energy is given off by the bulb?

• Mechanical

• Electrical

• Light

• Sound

A bell is placed by the cash register in a busy store. Customers tap the bell to ring it when they are ready to pay. Which type of energy is produced when the bell is rung?

• Sound energy

• Electrical energy

• Light energy

• Thermal energy

Tags

NGSS.MS-PS4-2

Which material is a conductor of electricity?

• Rubber

• Plastic

• Gold

• Wood

Which statement about circuits is correct?

• Electricity flows in open circuits.

• Thicker wires always mean more electricity, no matter the circuit.

• Switches can open and close a circuit.

• An open path allows electricity to flow through the circuit.

Look at the circuit diagrams labeled A, B, C, and D. Which diagram shows a complete path that will let electricity flow and light the bulb?

• A

• B

• C

• D

Tags

NGSS.4-PS3-2

Students test different objects in a simple circuit to see if the bulb lights. Which object is a conductor that will allow current to flow?

• a rubber eraser

• a piece of fabric

• a steel paper clip

• a plastic dice

Tags

NGSS.4-PS3-2

The physical properties of metals make them _______.

• good insulators of thermal energy

• good conductors of thermal energy

• full of large air spaces

• poor conductors of thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

A student slides down a plastic slide on the playground. It is very warm but does not burn like a metal slide because _______.

• plastic is a good conductor of thermal energy

• plastic is a cheap material

• plastic is a poor insulator of thermal energy

• plastic is a good insulator of thermal energy

Tags

NGSS.MS-PS3-4

When plugging a lamp into the wall, you'll want the cord you are using to be a good _____.

• insulator

• generator

• conductor

• machine

What will most likely happen if you push a ball with more force?

• It will not move at all

• It will move slower

• It will move faster and farther

• It will move in the opposite direction

Tags

NGSS.MS-PS2-2