Science June 2nd 2020.

INTERNATIONAL KOREAN CHRISTIAN ACADEMY

Ms Castillo.

TOPIC:Effects, spread and importance of light.

OBJECTIVE: To know what are the effect, spread and the importance of the light.

Lighting is an important aspect of interior design as it enhances the aesthetic appeal and creates the mood and ambiance of a living space. Lighting fixtures that illuminate a room creates a safe and comfortable environment besides adding style to the interior décor. ... Lighting can make or break the ambiance of a room.

The electric light bulb has been called the most important invention since man-made fire. The light bulb helped to establish social order after sundown, extended the workday well into the night, and allowed us to navigate and travel safely in the dark. Without the light bulb, there would be no nightlife.

Light, whether natural or artificial, affects all life on our planet. It is more than just a source of vitamin D for us humans. ... Light plays a crucial role in regulating our circadian rhythm, which is one of our natural biorhythms commonly known as our body clock.

Uses of light energy

It helps us to see things.

It helps plants to make food and grow.

It is used in power satellites and space stations.

It is used in many electronic appliances.

The energy of light from the sun can be harvested to solar panels and can be used for domestic use since it is eco-friendly and cost effective too.

The benefits are many and include increased energy efficiency, lower electric bills, a longer bulb life, and a better and safer light source overall. LED bulbs were designed as a more energy-efficient light source, using a semiconductor to convert electricity into light.

ACTIVITY: Read the text about the topic and answer the following questions:

1- Why is lighting so important?

2- What was  the impact of the light bulb?

3- How does light affect our daily lives?

4- What are the main uses of light?

5- What are the benefits of the light bulb?

NOTA: Enviar la asignación el día miércoles 3 de Junio.