Multiple choice When we pour ice cubes into a jug of water, they float on the water. Why? Ice is heavier than water. Ice is solid while water is liquid. Ice has white colour. Ice is lighter than water. All solids float when put in liquid. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Ice is lighter than water. Ice has more space between the molecules than water does. That makes ice float on top of water.