well, you should use home objects cause i am in 4th grade
Unless otherwise specified, you should use millimeters in Science.
You should use a ruler to measure a fork. Once you have the measurement, it's probably most convenient to describe it in units of centimeters or millimeters, but meters will also work just fine.
millimeters
Sure, it just depends on what units you are using. If you use Millimeters, it should be pretty easy.
The unit you should use to measure the thin edge of a dime would be millimeters.
I use a micrometer the rotor should have minimum thickness stamped on the rotor is inches or millimeters
Millimeters
Millimeters
kilometers
If the ruler only has inches and millimeters, just use the millimeters side. Remember, there are 10 millimeters in 1 centimeter.
Should be 1000mm
Yes... In a 'matched set' - they should all be if similar size and colour.