Exercise 2

Match each of the options above to the items below. Base Unit

Length: Meter Volume: Liter Mass: Gram Temperature: Celsius

Please drag and drop the each description of precision and accuracy to the correct illustration.

1. High accuracy, low Precision 2. High precision, low accurace 3. low precision and accuracy 4. high precision and accuracy

If the bottom of the meniscus in a 10 ml pipet is at 3 ml, how many ml of liquid is in the pipet?

7

______________ is defined as mass divided by volume.

Density

Match each of the options above to the items below. Metric Prefixes

Milli : 1 x 10-3 Nano: 1 x 10-9 Micro: 1 x 10-6 Centi: 1 x 10-2

Rank the values of these metric prefixes from smallest to largest.

Milli = 1 x 10-3 Deci = 1 x 10-1 Deka = 1x 10^1 Kilo = 1 x10^3