1.
a. Independent Variable (IV): Type of liquid (cola, lemonade, water)
b. Dependent Variable (DV): Height the bean grew
c. Control: Same type of bean, same pot, same amount of liquid, same sunlight, same duration (one week)
2.
a. Independent Variable (IV): Type of fertilizer (Scotts vs. Miracle Grow)
b. Dependent Variable (DV): Growth of marigolds (e.g., height, number of blooms, health)
c. Control: Same type of marigold plant, same pot size, same amount of water, same sunlight, same planting time
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 assignments, same time period for grading, same study habits (assumed)
4.
a. Independent Variable (IV): Type of music listened to (no music, rap, classical)
b. Dependent Variable (DV): Number of baskets made in 10 minutes
c. Control: Same player(s), same basketball, same hoop, same court, same time limit (10 minutes), same physical condition (assumed)
Parent Tip: Review the logic above to help your child master the concept of independent and dependent variables worksheet science.
