Question

q4. which object would most likely float in water? a. a steel nail b. a plastic bottle cap c. a marble d. a coin

Explanation:

To determine which object floats in water, we use the principle of density: an object floats if its density is less than water's (1 g/cm³). Steel (nail, coin), marble (usually glass/stone) have higher density than water. Plastic bottle cap is made of plastic, which has lower density than water, so it floats.

Answer:

B. A plastic bottle cap