A factor that changes in an experiment from manipulation of the independent variable is the _______________. (ch.1)

• control
• hypothesis
• constant
• dependent variable

A statement that describes what happens in nature is a _______________. (ch.1)

• scientific law
• scientific theory
• theory
• variable

A beaker contains 0.32 L of water. The beaker's volume is _______________ milliliters. (ch.1)

• 3.2
• 0.032
• 32
• 320

A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the _______________. (ch.1)

• control
• independent variable
• constant
• dependent variable

In a graph, the variable on the horizontal axis is the _______________. (ch.1)

• variable with the largest range
• variable with the smallest range
• dependent variable
• independent variable

Which of the following is correctly listed from largest to smallest? (ch.1)

• meter, centimeter, millimeter, kilometer
• kilometer, millimeter, meter, centimeter
• kilometer, meter, centimeter, millimeter
• millimeter, centimeter, meter, kilometer

The SI unit for length is the _____. (Ch.1)

• gram
• meter
• centimeter
• inches

Which one of the following is the best example of technology? (ch.2)

• C.B. (citizen's band) radios for cars and boats
• exploring how atoms are put together
• equations for the "big bang" theory of the origin of the universe
• classifying differences between normal and cancerous cells

Three of the statements below are important goals of technology; one is the chief goal of science. Which one represents the goal of science? (ch.2)

• to develop useful products
• to solve some of the problems of society
• to understand how nature works and what laws exist in nature
• to meet the special needs of individuals who are handicapped

A new type of telescope has been built that uses electronics to "see" the stars by the radio signals they emit. This has helped astronomers classify stars better and learn more about the life of a star. Which principle is best illustrated in this example? (ch.2)

• Every technology has advantages and disadvantages.
• Some technologies can be viewed as a system.
• Every technology affects the environment in some way.
• Science and technology help to advance one another.