Physics and Chemistry - Exam U2 and U3

Choose all the options that correspond to a magnitude:

• Mass

• Kilogram

• Volume

• Beauty

• Speed

Choose all the units corresponding to the mass:

• kilogram

• meter

• kilometer

• gram

Choose the units that correspond to a derived magnitudes:

• km/h

• seconds

• ampere

To measure the length we can use...

• A graduated cylinder

• A chronometer

• A ruler or a mesure tape

• A dinamometer

The burette is used to measure...

• Lenght

• Force

• Mass

• Volume

This instrument is used to measure...

• Volume

• Force

• Mass

• Electric current

The difference between the true value and that obtained experimentally.

• Sensitivity

• Precision

• Experimental error

• Magnitude

The ................................ of an apparatus is related to the minimum value  of the magnitude it is capable of measuring.

• Sensitivity

• Precision

• Experimental error

• Accuracy

Which scale is more accurate?

• The one on the right

• The one on the left

Which scale is more precise?

• The one on the right

• The one on the left