Exam 1 Practice Test

A box measures 0.875 ft in length, 0.0145 yd in width and 4.65 inches in height. Its volume is ____ cm³.

Hint: you will need to convert all three measurements above to the same unit (cm) in order to calculate the volume.

• 417.65 cm³

• 0.0590 cm³

• 212.11 cm³

This data represents the frequency of passenger vehicles that pass through a certain intersection in one hour. What type of graph would best represent this data?

• line graph

• bar graph

• pie graph

• scatter plot

You find a cool plastic dinosaur while walking in the park. It is 6.2 centimeters on each side, and so has a volume of 238 cm³. It is made of high density polyethylene, which has a typical density of 0.96 g/cm³. How much will this dinosaur weigh?

• 228 grams

• 640 grams

• 84 grams

• 1302 grams

The color of a sample of a chemical substance is ______ data about the substance.

• qualitative

• quantitative

Which is the correct conversion for a temperature of 80.0°C?

• -205.7°K

• 19.6°F

• 176.0°F

• 121.1°F

The volume of water in the graduated cylinder reads 50.9 mL before adding an object. After we drop the object into the graduated cylinder, the water level rises to 60.9 mL. What is the volume of the blocks?

A cube of gold (Au) has a side length of 1.55 cm. If the sample is found to have a mass of 71.9 g, find the density of Au.

• 19.3 g/cm³

• 46.4 g/cm³

• 29.96 g/cm³

• 13.9 g/cm³

Susan conducts an experiment five times and gets a solution concentration of 1.9M, 2.1M, 1.8M, 1.9M, and 2.2M. The known concentration of the solution is 2.0M. Which of the following are true about Susan's results?

• They are precise, but not accurate.

• They are accurate, but not precise.

• They are both accurate and precise.

• They are neither accurate nor precise.

Which of the following best distinguishes between a theory and a hypothesis?

• A theory is formed in a short amount of time; a hypothesis is formed over a long

  period of time.

• A hypothesis is tested using observations; a theory provides a unified explanation

  for related phenomenon.

• A theory is simple, true, and absolute; a hypothesis is proved from a tested

  experiment.

• A hypothesis is a reproducible experiment; a theory is a proven hypothesis that is

  true.

Convert 2.907 milligrams to decigrams.

Mathematical Equivalence

ON