Home Chapter 1: Introduction: Matter and Measurement Quiz 1

Quiz 1

This activity contains 12 questions.

5.00 in. is _______ mm.

 127 1.27 12.7 1.97

A cube of plastic 1.5 cm on a side has a mass of 1.9 g. What is its density in g/cm3?

 3.4 1.9 1.78 0.56

A cylindrical glass tube 15.0 cm in length is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64 g. Calculate the inner diameter of the tube in centimeters. (The density of ethanol is 0.789 g/mL.)

 3.95 cm 1.02 cm 0.905 cm 0.509 cm

A hypothesis

 is the outcome of a looking-and-thinking strategy. is a group of related observations. may not be used to predict the outcome of planned experiments. is a consistent interpretation of many related observations, experiments, and predictions. may be changed due to unexpected results of experiments.

A temperature of 63ºF is _______K.

 17 326 290 304

The winner of a 10,000-m road race completed the course in 20 minutes, 13 seconds. What was the winner's average speed in miles per hour?

 18.4 mph 0.308 mph 9.23 mph 29.7 mph

Which is not correctly represented by the right number of significant figures?

 ((2.70/3.00) -2.0) x (1.20) = -1.32 2.5/2.0 = 1.3 (2.45/2.0) - .5 = .7 3.11 - 6.829 = -3.72

Which of the following is not matter?

 pizza dimethyl sulfoxide dust light elemental phosphorus

Which of the following numbers contains six significant figures?

 4.2010 1.003702 1.03 x 103 0.003702 1000.00

Which of the statements below gives the correct relationship between units?

 1000 mA < 1 nA 10 mg < 1 dg 100 m < 1 cm 100 mg > 1 g 10 ks < 1000 s

Which one of the following is a homogeneous mixture?

 blue-cheese salad dressing air iodine crystals nitrogen

Which one of the following is a physical change?

 burning coal boiling water peaches rotting bread rising through the use of baking soda