water gives up energy to make ice
The 2 changes include:evaporation , condensation. These make up the water cycle.
no, the density of water never changes
They undergo various changes to actually make it happen.
no
Solar energy helps in evaporation. It makes the water cycle happen.
Refraction will make the light change direction, when it changes from water to air.Refraction will make the light change direction, when it changes from water to air.Refraction will make the light change direction, when it changes from water to air.Refraction will make the light change direction, when it changes from water to air.
If by "self working" you mean "requiring no feeding, no glass cleaning, no water changes, no water top ups, no filtration ect." Then I am sorry to have to tell you it does not happen in the real world.
Water changes, water changes and water changes. Keep their water fresh. You could also look at getting a lid, cover or hood for the aquarium. Other than that there's not much more you can do. After all, they are fish!
Other objects that can make refraction happen include prisms, lenses, water droplets (creating a rainbow), and glass objects like windows or glasses. Refraction occurs when light passes from one medium to another and changes its speed, causing the light to bend.
It may make you ill.
it changes daily.
a lot