Topic 11 NST

What is " a machine that provides energy?

• Solar panel

• generator

• charger

what is this symbol

• WIRE

• LAMP

• OPEN SWITCH

• CLOSED SWITCH

• BATTERY

What is "A rod turns with blades arranged like a wheel

• Turbine

• Electrical circut

• plug

• generator

What is something that" controls the electricity in an electric circut?

• plug

• Electrical box

• Wall socket

• Switch

what this symbol

• Wire

• Bulb

• Switch

• Battery

What provides the input for the torch

• Light

• Bulb

• switch

• heat

• Battery

what provides the output energy to a torch

• light bulb

• light

• battery

• switch

what controls the in and output energy of a torch

• Switch

• Battery

• Light bulb

• torch

what are the main electricity source in South Africa

• Solar

• hydroelectric

• coal

• wind turbines

fill in the missing words "Harmful .......... can leak of old ........"

• Water

• Fire

• germs

• Batteries

• chemicals