# What are the common tools scientists use to measure length and mass?

##### 1 Answer
May 17, 2018

$\text{Rulers and scales.....}$

#### Explanation:

and....

And of course, these days we might use a few more sophisticated tools....i.e. micrometres, or analytical balances... You might see some of the old analytical balances (that were WIDESPREAD once in high schools) in antique shops; these were exquisite, and expensive instruments, the which required careful handling. The balances of today are solid-state.....and in fact a lot of these tend to be stolen from universities by drug dealers to weigh out their stash...