General Science Skills Assessment

A Hershey's kiss weighs 0.16 ounces. How many Hershey's Kisses can be made with 7 kg of milk chocolate?

A 20.23-gram piece of metal is dropped into a beaker containing 50.0 mL of water. The water level rises to 58.5 mL. What is the density of the metal in g/mL?

The best way to quantify precision is ____________.

• percent error
• percent difference
• estimation of uncertainty
• mean
• range

The best way to quantify accuracy is ____________.

• percent error
• percent difference
• estimation of uncertainty
• mean
• range

_______________ indicates how similar a set measurements are.

• accuracy
• precision
• resolution
• none of these

_______________ indicates how close a measurement is to the actual true value.

• accuracy
• precision
• resolution
• all of these

How many significant digits does this measurement have? 250 m

The following measurements were used to determine the volume of cube: 12.34 cm, 5.78 cm and 4.81 cm. How many significant digits should the calculated volume have.

How many significant digits does this measurement have? 0.0301 g

A piece of metal has the following measurements L = 4.25 cm, w = 6.00 cm, 5.15 cm and mass = 1126.13 g. What is the density of the metal rounded to correct significant digits?