Multiple choice What is happening to temperature when ice starts to melt? Temperature has risen above 100°C. Temperature has dropped below 100°C. Temperature has risen above 0°C. Temperature has dropped below 0°C. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Ice is the solid state of water, which exists at or below 0 degrees Celsius. For ice to begin melting into liquid water, the temperature must rise above this freezing point.