N5 general Physics

which ones are used to observe space

1. visible light

2. infrared and ultraviolet

3. microwaves and X-rays

4. radio waves and gamma rays

All of them

What is the definition of average speed?

Total distance travelled divided by total time [over whole journey]

What I the definition of instantaneous speed?

Speed at a point, length of car/time taken to cross a line

Why is instantaneous speed measured electronically rather than manually

To avoid reaction times which may affect results.

What does the prefix ‘Kilo’ mean

x10³

What does the prefix ‘mega’ mean

x10⁶

What does the prefix ‘giga’ mean?

x10⁹

What does the prefix ‘milli’ mean?

x10^-3

What does the prefix ‘micro’ mean?

x10^-6

What does the prefix ‘nano’ mean

x10^-9

Match the prefix to the x10^x

Kilo x10³

Mega x10⁶

Giga x10⁹

Milli x10^-3

Micro x10^-6

Nano x10^-9

How to convert celcius to kelvin

+273