The sun is called the ultimate source of energy because it is the source of almost all energies of the earth. Plants convert light energy from the sun into chemical energy (food) by the process of photosynthesis.
Why is sun called the ultimate source of energy explain?
Plants require sunlight, water, and CO2 for photosynthesis. Plants convert light energy from the sun into chemical energy which is in the form of food. Animals are heterotrophs and rely directly or indirectly on plants for food. … Hence sun called the ultimate source of energy.
What are the three forms of energy?
Potential energy is stored energy and the energy of position.
- Chemical energy is energy stored in the bonds of atoms and molecules. …
- Mechanical energy is energy stored in objects by tension. …
- Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together.
What are the 7 forms of energy?
The Seven Forms of Energy: Mechanical, Heat, Chemical, Electrical Radiant, Nuclear, and Sound.