Question

Match the appropriate equipment to each measurement presented:

Measurement: 1) Length of a frog's backbone. 2) Weight of seeds collected from a fertilized plant. 3) The amount of liquid left in a Coke bottle after you take your first swig. 4) The amount of liquid you can squeeze out of a single grape. 5) The temperature at which sea water begins to boil. 6) The amount of coffee in a Starbucks grande cup.

Equipment: Ruler, Thermometer, Graduated Cylinder, Microscope, Broken Glass Container, Pipette, or Electronic Scale.

In lab this past week, Karin and Jamal tested the hypothesis: if mice are more thirsty when exposed to warmer temperatures because they sweat more, and we increase the temperature and give them a choice between a water or a food bowl, then the mice in the warmer environment will pick the water bowl more often the the food bowl. In this experiment, the independent variable is __?__ and the dependent variable is __?__.

MULTIPLE CHOICE OPTIONS for this question: a) continuous; continuous. b) continuous; discrete. c) discrete; continuous. d) discrete; discrete.

Each of the following represents a possible independent variable and could therefore be indicated on the X axis of a graph. Select whether each variable is discrete or continuous. 1) Age at which a girl begins menstruating. 2) Body temperature upon waking in the morning. 3) Amount of fertilizer applied to a plot. 4) Brand of truck.

Answer 1