Transfer of Energy

Electrical energy is transformed to thermal energy by a kitchen stove.

• True

• False

Tags

NGSS.MS-PS1-4

Electricity can be changed into light, heat, sound, and motion in your home.

• True

• False

Which is true about the circuit pictured?

• Electrical energy is converted into light and heat.

• No energy transfer will occur.

• The light bulb is the source of energy.

• Light energy is converted into electrical energy.

A flow of electrical charges is known as _____________.

• resistance

• electrical current

• static electricity

• voltage

A switch in a circuit _________.

• acts as an insulator

• absorbs electricity

• allows or stops the flow of electricity

• keeps the flow of electricity at a safe level

A path through which electric current can flow is called a _________.

• circuit

• electromagnet

• switch

• generator

When an electric current passes through an unbroken path of conductors a __________ is formed.

• resistor

• insulator

• electric charge

• circuit

A student made the circuit on the drawing below.

What is needed to complete the circuit?

• another bulb

• another battery

• a switch

• another wire

Tags

NGSS.3-5-ETS1-1

NGSS.4-PS3-2

Which best describes an electric current?

• A series of electric wires

• A flow of electric charges

• A surge of electrical power

• A chain of electrical batteries

Study the diagram below.

Which belongs in the blank box?

• complete path

• lightning is created

• a spark is created

• broken path

Tags

NGSS.3-PS2-3