This isn't math but okay. The independent variable is what you CHANGE, the dependent variable is what you MEASURE. (you can change/tweak any of my answers as you please)
1. DV = amount of noise in the room
IV = the number of speakers
2. DV = the rate of cooling of a glass of water
IV = amount of ice
3. DV = amount of sunlight absorbed
IV = color of clothing
4. DV = the force needed to lift the block
IV = weight of the block
5. DV = amount of space needed to store the object
IV = volume of an object
6. DV = time needed to cook something
IV = temperature of the grill
7. DV = sweetness of the baked cookies
IV = amount of sugar in the mix
8. DV = amount of force needed to break the rope
IV = thickness of rope
9. DV = volume of water traveling down the river
IV = amount of rain
10. DV = softness of the ground
IV = amount of rain
11. DV = amount of space needed
IV = temperature of a substance
