Last weekend, different nations celebrated Earth Day. I asked my students ,”Why do we celebrate Earth Day?” I received various answers like:
“ It’s special occasion about the Earth.”
“ We have to save the Earth.”
“ We do activities for the Earth.”
“It’s not Earth Day but Earth Hour.”
This celebration gave the students a better opportunity to make connections to the concepts that they have learned in the past weeks. The students have learned that the Earth’s atmosphere and resources have been supporting life, but because of human activities, man is slowly destroying it. Man has continuously relied on these resources in order to survive. As a result, some resources became limited. These resources are classified as non-renewable.
Global warming continuously haunts us. This was the very reason too that man acted to solve this problem. Man had to learn to live on Earth and take care of it like what our ancestors did. Science and technology paved the way to innovations. For example, man learned how make electricity using renewable resources such as the sun, wind, and water.
We had a lengthy discussion on different renewable resources. The weeks I can say are all worth it since the students themselves were very curious and engaged with the activities we did. They got to learn the latest technology in using solar power. They even got to design their own solar power home and compute the solar power system kilowatt system they will be needing for their homes. They kept abreast with the latest news on wind and hydropower.
The following are excerpts of the Solar Talk