what is the main source of energy for living things This is a topic that many people are looking for. amritsang.org is a channel providing useful information about learning, life, digital marketing and online courses …. it will help you have an overview and solid multi-faceted knowledge . Today, amritsang.org would like to introduce to you Different Sources of Energy, Using Energy Responsibly, Educational Video for Kids. Following along are instructions in the video below:
Educational games hi and thanks for joining me for this course. The responsible use of of energy. Im your host phil ament and i need your help the world energy ambassadors to help save the planets energy from outer space the planet earth looks like a big blue marble.
But this marble is our home and just like most homes around the world. It takes a lot of energy to run. So we have to take care of it and not waste its energy here is what you will learn in this course.
Exploring energy. Where you will explore the different sources of energy energy. Is not unlimited.
Where you will find out the difference between renewable and nonrenewable energy sources and finally using energy responsibly to make a difference where you can find ways to conserve energy right at home and make a difference no matter. What kind of energy you use in your home. Its a good idea to know about energy and its responsible use so you can do your part in saving it solar power means energy from the sun how powerful is it the earth receives more energy from the sun in just one hour then the world uses in a whole year solar energy is used to generate electricity using solar panels.
Unfortunately things like solar panels require solar cells which need to be created from already existing materials like silicon and those are not unlimited. Because of this solar energy usage isnt as high as it could be the main source of energy around the world is oil. Most electricity fuel and everyday things like plastic come from this source oil comes from far underground.
It is brought to the surface by pumps and pipes. The best known use for oil is gasoline for cars. This is a fossil fuel.
Meaning. It is a non renewable source of energy. Cole is one of the major sources of energy in the world.
It is usually mind from hillsides and mountains coal. Is a rock that is formed by millions of years of pressure on decaying organic material like plants and animals. That is why this rock is able to be burned releasing its energy.
Its also why we call coal a fossil fuel coal is a non renewable resource natural gas is found in most of the world the only place its not found is in north africa and greenland. It often is located around coal or oil deposits in the earth. The word natural means that it is a gas formed by natural chemical processes in the earth.
It is used for heating cooking and generating electricity since it is formed by many of the same processes that create coal and oil. It is non renewable. Surprised to see would on our list of energy sources.
Dont be wood is needed to make fire. The earliest known energy source in human history. Wood is heavily used to supply the energy for cooking and heating.
It has also been used to power steam technology in combination with water wood is a renewable resource because trees can be replaced. But we have to be careful how much we use wood products. Because trees take years to grow wind power is a new source of energy.
Thats as old as the earth. Its very strong try flying a kite on a windy day. Most wind power is converted to electricity by using giant machines called wind turbines.
The ability to use this kind of energy for electricity production has only been developed recently because wind is a natural resource that never runs out it is called a renewable resource. The correct term for water power is hydropower hydro means water water power is one of the oldest known sources of energy in human history. For example.
Did you know that water mills were used in ancient china. Today. It is most often used to create electricity by using dams and of course.
Its a major source of energy and life for humans as drinking water because water is so plentiful and is replenished every time it rains. It is considered a renewable resource nuclear energy uses the power of the atom to create something very simple steam power when atoms are split this generates an incredible amount of power that is used to superheat water converting it into steam. Which is then used to create electricity.
However it also generates waste that can be dangerous to human health and the environment. It takes a long time sometimes thousands of years for nuclear waste to become safe. It is a non renewable source of energy.
The term geo means earth and thermal means heat. So the word geothermal literally means heat from the earth even though this type of energy is right under our feet. It is just now being tapped as a usable energy source.
However while this type of renewable energy is very efficient and doesnt hurt the environment. Its limited by its location. Geothermal sources.
Occur in areas of the world that have volcanoes so areas that arent anywhere near these places cant use geothermal energy. Wow. That really is a lot of energy.
However that energy can get used up pretty quickly too thats why we need to be responsible when we use it well cover that in our next part. But first lets try this activity. All right lets see how well you remember which types of energy sources are renewable and which ones are non renewable click and drag the slices to fill either the renewable or the non renewable buckets call non renewable natural gas non renewable or would renewable wind renewable water renewable new kia non renewable geothermal renewable solar renewable oil nonrenewable good job you correctly match the energy types the renewable energy we use is solar wind water geothermal would the non renewable are coal oil natural gas and nuclear like we said before while it may seem like theres an awful lot of energy in the world it can run out lets explore how energy is not unlimited the main reason that energy runs out is because there are so many people on earth right.
Now. There are almost 7 billion people on our big blue home now imagine all those people plugging into the earth using mostly fossil fuels. It puts a big drain on our energy supply.
It doesnt take long before it starts to run out the worlds population is growing very quickly and most of the energy use today is still based on burning fossil fuels like oil coal and natural gas. Even renewable resources like wood get used up very. Quickly.
Even worse. People are wasteful with their energy use because it seems like theres so much of it that can lead to shortages. So.
Whats the solution. The best solution is to use a more responsible mix of renewable and nonrenewable energy. Sources.
Increasing our use of renewable energy. Like solar. Geothermal.
Water and wind power. Allows us to stabilize our energy. Use.
This is our goal as the world gets more crowded and our limited supplies of fossil fuels shrink and just think if we can cut wasted use of energy by even 50 on top of that all sources of energy will last longer meaning our world will last. Longer. What is a responsible mix of energy that depends on the region and the needs of the population in this activity.
Explore the different areas of the world and choose the best energy mix based on that regions available energy sources and their needs use the magnifying glass to find clues to help you choose the best energy sources. Once youve examined the area click and drag the energy icons into the box. Remember your goal is to get the right mix of renewable and nonrenewable resources.
Together put the wrong mix together and that area might run out of energy. Ready this hot dry. Windy area is used for cattle grazing.
This gas guzzler is great for hauling firewood. These can provide energy in a lot of ways including on your dinner table. This is a rock called shale.
Often deposits of gas can be found underground in areas with shale natural gas. Most flat places have plenty of breezy days wind in places without a lot of trees. Its always very sunny and hot solar.
Very good in an environment like this where its flat rocky sunny and windy the right choices are solar wind power and using the clue that you got from the rock natural gas. A chilly island in the north atlantic ocean with polar bears not only are geysers pretty cool to look at theyre very hot too geothermal you this is a polar bear polar. Bears are cool would you think this helps keep people warm and helps them eat or would you can sometimes see.
By the light of the silvery moon. This finds energy way out at sea oil cool. I mean good in a cold environment.
They primarily need heat for cooking and warming up their living space. So here. They need oil wood and geothermal energy.
A pretty mountainous region with lots of water. No this machine isnt trying to fly the top of the mountain. The way wind not a lot of energy here.
But a nice spot to spend the weekend not only is this lake really pretty it also provides drinking water and great fishing water there might be some energy here if you can break this into little tiny pieces call. Lots of trees equals lots of firewood and other products nice job. Lots of energy can be found in the mountains including coal reserves that are mined windpower found at the top of windy ridges water rushing down the hills and the forests to grow thick.
There a port city situated below hills. That rise from the ocean. This uses lighter than air gas to float above cities big ships like this carry liquid energy over faraway lands to cities oil.
Many cities rely on water from far far away water this uses the power of the atom to boil water quickly new kia. Many cities are starting to use these panels for something other than to look cool solar. Very good cities need a lot of power for all kinds of uses among the sources for this city are imported oil nuclear energy created just outside town electricity from the generator station up in the hills and a solar power station.
Great job. Now you can see how the proper mix of renewable and nonrenewable energy. Sources helps the world to conserve energy.
This way our energy should last for a long time even as there are more of us to use it okay. Now that weve explored our energy needs and concerns on a global level. Lets see how you can make a difference.
The people who live in this house have a lot of energy at their fingertips. There are a number of rooms. Here in each is a place where energy is being used and sometimes wasted time for phils energy challenge throughout the house our places and items that use energy find them.
And then click them to help save energy in this house find 10 places in the house. Where you can help reduce energy consumption. Find all the places to earn your energy ambassador certificate.
But make sure you click the right ones. Some things may not help you save energy. Ready lets get started good close all doors to keep heat inside the house helps keep the house warm.
But dont use it unless needed remember not to sleep with the tv on good. Leaving the refrigerator door open wastes energy. And ruins your food.
Make sure you use an energy saver model to further conserve power make sure you turn it off. When youre not in the room. The air conditioner coolie uses up energy dont leave it on all day.
Lots of energy leaves. The house when this window is open leaving the faucet on really wastes a lot of water and money right leaving a car running wastes gas and pollutes. The air.
So how did you do lets take a minute to review. What we have learned different kinds of energy are used all around the world energy is not unlimited because of all the people on earth finally you have discovered how to make a difference by conserving energy right at home. If we can encourage people around the world to think of the earth like the home in our last challenge and they pay attention to the responsible use of energy in their homes.
We can make sure that our energy needs will be met for a long long time congratulations you have completed this course thanks for taking this course. And dont forget always remember to use energy responsibly good bye now .
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