1. a. Independent Variable (IV): Type of liquid (cola, lemonade, water)
b. Dependent Variable (DV): Height of bean growth
c. Control: All beans planted in the same soil, same pot size, same light exposure, same temperature, same duration (one week)
2. a. Independent Variable (IV): Type of fertilizer (Miracle Grow vs. Scotts)
b. Dependent Variable (DV): Growth of marigolds (e.g., height, number of flowers, leaf count)
c. Control: Same type and amount of soil, same pot size, same watering schedule, same light exposure, same duration
3. a. Independent Variable (IV): Number of apples eaten per day (0, 1, 2, 3)
b. Dependent Variable (DV): Grades on science work
c. Control: Same student, same subject (science), same time period for grading, same assignments/tasks, consistent study habits
4. a. Independent Variable (IV): Type of music played (no music, rap, classical)
b. Dependent Variable (DV): Number of baskets made in 10 minutes
c. Control: Same player(s), same basketball court, same ball, same hoop height, same time limit (10 minutes), same physical condition of players
Parent Tip: Review the logic above to help your child master the concept of independent variable dependent variable worksheet.