Lighting facts for kids

Written by stephanie kelley
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Lighting facts for kids
Lighting can spark interest in many areas of learning. (iStock/Getty Images)

Help children increase their knowledge of lighting and light topics in a lighthearted way with fun facts. A child can glean information from several scientific fields when he learns about the speed of light, sunlight and its role in photosynthesis, while learning about colour will help him with art lessons and finding out about Thomas Edison and the light bulb will increase your child's knowledge of history.

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Speed of light

Kids like to run fast and watch fast-moving activities. As fast as they are, they cannot come close to the speed of light. The speed of light is just as it sounds, the speed at which light travels. That speed is about 186,000 miles per second. Nothing travels faster than light does; not even sound is as fast.

Sunlight and rainbows

Rainbows are fascinating for children. There are seven colours in a rainbow, which are always seen in the same order, beginning with red on top, followed by orange, yellow, green, blue, indigo and violet. Although sunlight looks white, it is really comprised of every colour of the rainbow. Rainbows are formed by the refraction of sunlight in drops of water and are visible when light is behind you and there is water in the air in front of you. The light shines through the water drops and makes the rainbow. The larger the water drops, the brighter the rainbow.

Edison and the light bulb

While sunlight was our original source of light, our world would look distinctly different in modern times had it not been for US inventor Thomas Edison's development of the light bulb. Thomas Edison developed the incandescent electric light. Although many believe he "invented" the light bulb, he actually only improved on previous prototypes that had been in existence for 50 years.

Light and photosynthesis

Photosynthesis is the process by which plants use the energy from sunlight to convert carbon dioxide in the air into food. Light is energy. When this electromagnetic energy reaches a green plant, all sorts of reactions take place. The plant, however, does not use all of the light. The plant only uses certain colours in the photosynthesis process. Plants mostly absorb red and blue wavelengths of sunlight. The colour of the plant that we are able to see is actually a colour that the plant is not able to absorb. For instance, green plants do not absorb light from the green range.

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