To better understand living things and the processes that affect them is a study in
biology
The variable that is manipulated by the experimenter
independent variable
In a chart showing the average pulse rate of students before and after running, the pulse rate increased after running. What conclusion can be drawn?
Exercise increases heart rate
What percentage of Goodrich students play sports.
Pie graph
an experiment, the group that does not receive the experimental treatment.
What is a control group?
Students predict that mealworms will prefer dark environments over light ones. They count 12 mealworms in the dark side of a container and 3 in the light, and also observe that the worms in the light moved faster. State the hypothesis, dependent variable, and one piece of qualitative data.
What is “Hypothesis: mealworms prefer dark environments; Dependent variable: number of worms in each environment; Qualitative data: worms in light moved faster”?
In an experiment testing the effect of caffeine on reaction time, students recorded the number of seconds it took to catch a dropped ruler (in cm) and also noted whether students appeared jittery or calm. Identify which data is quantitative and which is qualitative.
“Reaction time in cm is quantitative, and observations of jitteriness are qualitative”?
The 5things EVERY good line graph should have
What is a title, axis, interval, label, scales
A student thinks that plants grown in sunlight will grow taller than plants grown in shade. Identify the hypothesis.
What is “If plants are grown in sunlight, then they will grow taller than plants grown in shade”?