Energy
What is energy?
Energy is power.
Why does renewable energy cause less pollution?
There are less emissions (방사) from creating this type of energy.
What happens if we use too much non-renewable energy?
They can cause lots of pollution and we can run out of this kind of energy.
Why do we need to save energy?
Because it is wasteful to use excess energy. It causes pollution and costs us money.
Why is energy necessary for our lives?
We need energy for electricity. We would not be able to use any home appliances or electronic devices without it.
Are renewable energy sources limited?
No, we can keep making more energy from these sources.
Why do we use fossil fuels even though they cause pollution?
What are some ways to save energy at home?
We can turn off the lights and turn off devices when not in use.
How does energy make our life easier?
Energy allows us to use electricity, get places faster with cars, buses, trains, and planes.
Name three types of renewable energy.
Solar, wind, hydo (water), and geothermal.
Where do we get most of the energy we use?
From oil, coal, fossil fuels
What can we do with water bottles to help save energy
we can recycle plastic water bottles or buy a reusable bottle to use.
How do you use electricity at home?
I use electricity for the lights, computers, tv, and home appliances.
How does solar energy produce electricity?
What are the advantages to using non-renewable energy?
It is cheap and easy to store.
what is one way you can save energy at home?
taking shorter showers, use cloth bags instead of plastic, use glass instead of plastic, walk or bike to closer places instead of using gas.
Before electricity, what did people use to get energy?
People used fires to cook and wind to dry their clothes.
How does hydroelectric power work?
We create dams in areas with flowing water and use turbines to create movement and pressure to allow to create energy
What are the disadvantages to using non-renewable energy?
It causes pollution and it can run out.
What will happen if we do not try to save energy?
We will cause lots of pollution and spend lots of money. Our energy sources can run out.