Scince June 3rd 2020.

INTERNATIONAL KOREAN CHRISTIAN ACADEMY

Ms Castillo.

TOPIC:Light saving and security measure.
OBJECTIVE: Learn to save light.

Daylight Saving Time (DST) is the practice of turning the clock ahead as warmer weather approaches and back as it becomes colder again so that people will have one more hour of daylight in the afternoon and evening during the warmer season of the year.

6 Pros & Cons Of Daylight Saving Time, Because There's A Serious Move To Make It Permanent

• Pro: More Revenue For Companies. ...
• Con: It Might Throw Off Your Circadian Rhythm. ...
• Pro: More Sunlight For Activities. ...
• Con: An Initial Spike In Traffic Accidents. ...
• Pro: Decrease In Crime. ...
• Con: Agrarian Workers Take A Hit.

For instance, in the atmosphere, light is actually bent around atmospheric particles -- like the tiny water droplets found in clouds. And it's not just the edge of the wave, but the entire wave that bends around the corner. This means if we pass a beam of light through a hole, it spreads out as it travels.

Natural sources of light include the sun, stars, fire, and electricity in storms. There are even some animals and plants that can create their own light, such as fireflies, jellyfish, and mushrooms. This is called bioluminescence. Artificial light is created by humans.

Light saving and security measures.

1. Taking advantages of natural light. ( the sun is the cheapest light source that exist.

2- Use reflective paint colors indoors.

3- Use more efficient lamps (discharge lamps).

4- Move the light source closer to the object.

5- Use light only when necessary.

ACTIVITY: Answer the following questions: 

1- What is light?

2- How many types of light source do you know?

3- how light spreads? 

NOTA: Enviar la asignación el día 4 de Junio.