Question

10 ml fertilizer
200 ml water added to each pot
write \i\ in the blank beside the independent variable; \d\ beside the dependent variable; and \c\ beside any constants.

1. the size of the pot
2. the kind of potting soil
3. whether or not the plant recives fertilizer
4. the amount of water the plant receives
5. how tall the plant grows
6. the temperature of the room the plant is in

Explanation:

Independent variable (I) is manipulated; dependent (D) depends on I; constants (C) stay fixed.

1. Pot size is likely kept same (constant).
2. Potting soil type is likely fixed (constant).
3. Fertilizer presence is manipulated (independent).
4. Water amount is fixed (200mL/each, constant).
5. Plant height depends on fertilizer (dependent).
6. Room temperature is likely fixed (constant).

Answer:

1. C
2. C
3. I
4. C
5. D
6. C