Question

a poster on switch off light when outside is bright

Answer 1

here is the attachment. But you should make your own poster from getting idea from this . A poster should made in a attractive way ,the colour of which can appeal to people attention.  A smart way to make poster on this topic is by getting idea from surroundings for example you can make a sun and house with one person turning off a button of light. This way of thinking will lead to carter you in making of a effective poster. 

Answer 2

Energy conversation is the technique we can decrease our day by day energy utilization by utilizing less energy service. It is extremely important to keep up the accessibility of the characteristic assets for the congruity of life on this planet. We ought to be very much aware and aware others too about the vitality protection with a specific end goal to decrease energy utilization. Our less energy utilization increments natural quality, individual money related security, national security, and higher funds and additionally bring down energy costs.

Save energy, spare the earth!

Save energy, save resources of future.

Save energy save cash, save planet spare an existence!

Diminishes the energy use to lessen greenhouse impact.

Attached is the poster which focuses on the using the solar power instead of the electricity or you can use the daylight when its bright outside.