Vocabulary
You must use _____________ to protect your eyes when doing certain jobs.
goggles
_____ _______ run on slippery floors. You might fall.
Do not
You _____________ touch this machine with bare hands. It's hot.
mustn't
Current is measured in_______
amperes
Resistance is measured in ______________
ohms
Many boats that travel on water are a type of _________________.
hovercraft
If there is an emergency, you __________ follow the emergency procedures.
must
You ________________ trap your hands in the gears.
might
Name 4 insulators
Plastic, rubber, wood, glass, ceramic, fiberglass...
Name 4 conductor materials
Iron, steel, copper, aluminium, silver, gold, zinc...
The handlebar in a bicycle helps you to __________ it.
steer
Experts predict that the demand for electricty ____________ (increase) in the coming years.
will increase
Ask a question for the following answer:
It took place in the factory.
Where did it take place?
Gas fumes near a gas water heater could mean a _________.
leak
A wire that controls electrical power.
Line voltage
A _________________ is a potentially dangerous situation.
near miss
The price of solar panels _________________ (decrease) significantly in the last decade.
decreased
There were two fire extinguishers damaged.
How many damaged fire extinguishers were there?
The force that moves electrons in an electric circuit.
Electromotive force
If a circuit doesn't make a complete _____________, the energy can't flow.
loop
Builders often work on _____________________ to reach high places.
scaffolding
The understanding of nuclear energy ______________ (evolve) considerably since its discovery.
has evolved
Write a question, an answer, and the instruction.
If the computer doesn't work, check the disk drive.
Does the computer work?
No.
Check the disk drive.
Water heaters.
If you hear popping or banging noises, you might have ______________
sediment build-up
When your electric heater gets too hot, ________________ will disconnect the flow of electricity.
circuit breakers