Multiple choice

Why does an orange sink in pure water but float in salty water?

  1. Because the density of orange is less than density of pure water

  2. Because the density of orange is less than density of salty water

  3. Because the density of orange is more than density of salty water

  4. Because the densities of orange and salt water are the same

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An orange does not  float in fresh water but since salt water is more dense than fresh water, it has a better chance of floating in the salty water. The greater buoyant force allows the orange to float in the salt water, if salty enough.

Keep practicing — related questions