# Physical Science

## Chapter 1: The Nature of Physical Science

### Standardized Test Practice

 1 Of these units, the one that represents volume is _______. A) cm B) mm3 C) cm2 D) kg 2 A quantity in an experiment that can have more than one value is a _______. A) constant B) standard C) unit D) variable 3 The density of a cube that measures 1.00 cm on each side and has a mass of 2.0 g is _______. A) 0.50 g/cm3 B) 0.50 cm3/g C) 1.00 g/cm3 D) 2.0 g/cm3 4 A possible hypothesis based on the information on this table is _______. (4.0K) A) average life span is proportional to heart rate B) farm animals live longer than pets C) larger animals have faster heart rates D) heart rate is not related to lifespan 5 An explanation based on knowledge gained from many experiments is called a _______. A) theory B) conclusion C) hypothesis D) scientific law 6 The base unit of mass in the SI system is the _______. A) gram B) mole C) kilogram D) pound 7 The best type of graph for showing how something is divided into parts is a _______. A) bar graph B) line graph C) model D) circle graph 8 Based on the information on the table, which statement is true? (Art: 673_STP Questions_ta02) A) Corn syrup has the highest density of the three liquids. B) Corn syrup will dissolve in water. C) The density of oil and water is very similar. D) Water will float on top of oil. 9 The symbol dL is used to represent a measure of _______. A) intensity of light B) volume C) length D) time 10 The purpose of a control in an experiment is to _______. A) keep the temperature from getting to high B) change one variable while observing another C) provide a standard to which to compare the results D) record changes in a value