Listen to these words.
historians
magnifying glass
appliances
pasteurise
bacteria
universal
biodegradable
GPS
microchip
wireless
marathon
crush
hydroelectricity
coins
Learn the new words!
Small circular metal money.
coins
To get power by using moving water.
hydroelectricity
To break something by pressing really hard onto it.
crush
A long-distance run.
marathon
Having no wires.
wireless
A small electronic computer part.
microchip
Global Positioning System. It shows where a person or object is using satellites.
GPS
It can break down on its own.
biodegradable
Something that is everywhere or happens everywhere.
universal
Small organisms that can make us sick.
bacteria
To increase the temperature in order to kill bacteria.
pasteurise
An electrical machine that does a job in a home, like a dishwasher.
appliances
A piece of glass that makes things look bigger.
magnifying glass
People who study history.
historians
Now, do the test!