How is the energy measured?

1.   ?    Newtons
2.   ?    Julios
3.   ?    Kilogram

Which of these is not a renewable way of energy?

1.   ?    Hydraulic energy
2.   ?    Solar energy
3.   ?    Geothermic energy
4.   ?    Nuclear energy

What thermometer is used in the North Pole?

1.   ?    A mercury thermometer
2.   ?    An alcohol thermometer

You shouldn't put a mercury thermometer into your mouth because...

1.   ?    It itches
2.   ?    It hurts
3.   ?    It is toxic
4.   ?    It is hot

Which of these materials spreads the heat easily?

1.   ?    Wood
2.   ?    Copper
3.   ?    Plastic
4.   ?    A brik

Which of these units is used to measure the sound?

1.   ?    Newton
2.   ?    Hertz
3.   ?    Kilo
4.   ?    Meter

What speed does the sound spread?

1.   ?    360m/s
2.   ?    2m/s
3.   ?    340m/s
4.   ?    569m/s

The sound measure unity is ...

1.   ?    Metre
2.   ?    Decibel
3.   ?    Julio
4.   ?    Newton

Electromagnetic waves spread at ...

1.   ?    300.000km/s
2.   ?    345.000km/s
3.   ?    60.000km/s