A student conducted an experiment to find out if air temperature affected the total number of seeds that germinate. Two groups of 20 identical seeds were used. One group was kept at a temperature of 10 degrees Celsius (ºC) and the other at a temperature of 20ºC. All other conditions were held constant. Observations made during the 25 days of the experiment are shown in the data table below. Which of the following is the test variable (independent variable) in this experiment
Answers
Answer:
A student conducted an experiment to find out if air temperature affected the total number of seeds that germinate. Two groups of 20 identical seeds were used. One group was kept at a temperature of 10 degrees Celsius (ºC) and the other at a temperature of 20ºC. All other conditions were held constant. Observations made during the 25 days of the experiment are shown in the data table below. Which of the following is the test variable (independent variable) in this experiment
Explanation:
A student conducted an experiment to find out if air temperature affected the total number of seeds that germinate. Two groups of 20 identical seeds were used. One group was kept at a temperature of 10 degrees Celsius (ºC) and the other at a temperature of 20ºC. All other conditions were held constant. Observations made during the 25 days of the experiment are shown in the data table below. Which of the following is the test variable (independent variable) in this experiment