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Light energy is also known as Radiant energy. The Earth gets a lot of its energy from the light of the Sun. Plants take light energy from the sun and convert it into chemical energy (food) which helps them to grow, this is known as photosynthesis.
In this module students are introduced to the characteristics and properties of light energy, its uses, and various sources of manmade and natural light. By completing computer and hands-on activities, students experiment with the concepts of transparent and opaque objects, shadow and reflection.
25 wrz 2022 · This explains that electrical energy can be transformed into light energy (when we turn on a lamp), mechanical, thermal (heat), sound energy (when we turn on a music device). What the human being does is locate the available energy and see how to transform it to use it for his benefit.
The Sun is the major source of light for the earth. The sun is a massive ball of fire, at the centre of which nuclear fusion produces massive energy. This energy comes out as heat and light.
Kids. Students. Scholars. Humans use energy from many different sources. They harness the power of wind, water, and sunlight. Plants and animals provide energy in the form of food. People also burn oil, coal, and natural gas for energy. They get nuclear energy from uranium atoms. Encyclopædia Britannica, Inc. 1:21. 2:55. 0:53. Introduction.
Light and Heat Energy. The Sun transmits energy to us in the form of light and heat. But what exactly are light and heat, and what can they do? 6:23 · Physical Science. Light reaches us as waves of electric and magnetic fields.
this video explains the sources of heat like sun, combustion, friction and electricity. it is useful and easy to understand for children.for kid's quiz : htt...
