Question

directions: in each statement below identify the dependent variable (dv) and the independent variable (iv).

1. how does the number of completed passes affect the number of touchdowns scored?

(dv) (iv)

1. how does the number of speakers affect the amount of noise in a room?

(dv) (iv)

1. how does the amount of ice affect the rate of cooling of a glass of water?

(dv) (iv)

1. how does the color of clothing affect the amount of sunlight absorbed?

(dv) (iv)

1. how does the weight of a block affect the force needed to lift the block?

(dv) (iv)

1. how does the volume of an object affect the amount of space needed to store it?

(dv) (iv)

Explanation:

For each question, the independent variable (IV) is the factor being changed/tested, and the dependent variable (DV) is the factor being measured that responds to the IV.

Answer:

1. (DV) Number of touchdowns scored; (IV) Number of completed passes
2. (DV) Amount of noise in a room; (IV) Number of speakers
3. (DV) Rate of cooling of a glass of water; (IV) Amount of ice
4. (DV) Amount of sunlight absorbed; (IV) Color of clothing
5. (DV) Force needed to lift the block; (IV) Weight of a block
6. (DV) Amount of space needed to store it; (IV) Volume of an object