What Is Light 5Th Grade

Light is a form of energy. It travels in straight lines. Light waves travel in straight lines away from the light source until the waves hit something. … Objects and materials interact with light. When light shines on an object, the object may absorb, reflect, or refract the light.

What is light kid definition?

Light is a form of energy. The Sun is a very important source of light energy. Without the energy from the Sun, there would be no plants or animals on Earth’s surface.

What is light energy?

Light energy is a form of energy and is expressed in joules. … It is the visible light that is detected by the human eye. It is also the visible light that drives photosynthesis. Blue and red wavelengths are the chlorophylls’ two most effectively absorbed wavelengths of the visible light.