Skip to main content

Science Week: Day 3 Renewable Energy instead of Non Renewable Energy Sources

 

Can solar energy be used to light up LED circuits?

What are the requirements of a circuit to conduct electricity?

An electrical current requires a closed circuit. The circuit allows a direct, uninterrupted flow of electrons from the power source and back - a complete circular connection with no beginning or end.

What is the difference between renewable and non-renewable energy?

Renewable energy uses energy sources that are not "used up". For example, solar power from the sun is renewable.

In addition, renewable energy sources such as solar and wind don't emit carbon dioxide and other greenhouse gases that contribute to global warming

Examples of non-renewable energy sources include fossil fuels like coal and oil. Once we use or burn these resources, they are gone forever. They are also cause huge environmental pollution and increased global warming.

Why are LED bulbs describes are being energy efficient?

Light emitting diodes are a newer design for lighting. They create a lot of light with very little electricity. They're very energy efficient. And unlike CFLs, they don't have mercury. That means they're better for the environment. They don't need to be specially recycled. The only problem is that LEDs are much more expensive than other bulbs.

 

Comments

Popular posts from this blog

Science Week

During Science Week in Fourth Class, the children engaged in exciting activities centered around the theme of Regeneration. They delved into the topic of Energy, exploring renewable energy sources and their role in protecting our ozone layer.    Science Week Winners: Greenhouse Gases: Science Webinar: Solar and battery powered closed circuits: Our Sustainable Towns: Our Scribble-Bots:  Home Experiments:   

Christmas Wreaths

Fourth Class got into the festive spirit this week by creating beautiful Christmas wreaths to decorate their homes. Using oasis as a base, they carefully arranged holly, ivy, and greenery, finishing with a dusting of snow spray for a magical touch. The children showed fantastic creativity and focus, designing stunning centrepieces to brighten up their kitchen tables over the holidays. Well done to everyone for their hard work and festive flair!

Winter Birch Trees

We had great fun using paint, masking tape and glitter to create our masterpieces! We also learned some new facts about Birch Trees. Take a look!  Ten Facts about Birch Trees   Birch trees are found in the northern half of the world. They grow in areas with cool to cold weather. The trees called birches have long been known for their beautiful bark.  N ative Americans used birch bark to make canoes, tepees, and moccasins. Today people use birch wood to make furniture, flooring, and plywood. The bark of all birches is characteristically marked with long, horizontal lenticels, and often separates into thin, papery plates, especially upon the paper birch. Birch trees have simple leaves with toothed edges called margins. They often appear in pairs, but these pairs are really borne on spur-like, two-leaved, lateral branchlets. It is an elegant deciduous tree, with arching branches that droop gracefully towards the ground. It usually grows to about 15-20 metres high. The catkin...