Dye dispersion experiment - Science is cool!

Assalamu alaikum!

It looks like we are sipping some Kool aid right? 

 We are currently learning about Energy in Science. Our experiment is to find out what temperature makes our dye disperse faster. Most students knew that hot water made the dye disperse faster but they had some difficulties explaining why. Here are some pictures.

Each set of cups contains ice water, warm water and hot water.