Where energy comes from
It comes from trees
wood
A tractor
Gasoline (diesel, oil)
Instead of email or text messages we had...
writing letters
Which takes more energy, a hot shower or a warm shower?
Heating water takes electricity or gas to heat a hot water heater. Hot showers take more energy.
Wind
a remote control car
batteries
Instead of lights, we had...
candles & mirrors
Which takes more energy, a warm house, or wearing a sweater?
Heating our houses takes a lot of energy (gas or electricity). When we wear a sweater and let our house be cooler, we save electricity.
It turns a waterwheel
Water
a cellphone
batteries
Instead of the internet, we had...
libraries
What takes more energy, driving a car or riding a bike?
Both take energy! A bike is powered by us, and we eat food for energy, and food is renewable.
Cars use gasoline for energy and it is hard to get. It is non-renewable.
Both take energy, but biking is better for the environment.
It is sucked up from deep underground
oil
Chargers
electricty
Instead of cars, we had...
horses and walking
What takes more energy, using a cloth shopping bag, or a plastic shopping bag?
It takes energy to grow the cotton, harvest it and make it into fabric, and then into a bag.
It takes energy to get the oil, process it, make it into fabric and then make it into a bag.
Cotton fabric is decomposable. Plastic shopping bags are not decomposable.
It is dug up (mined) from deep underground
coal
solar panels
the sun
Instead of excavators, we had...
shovels
Which takes more energy, bringing food in wrappers for lunch, or bringing food in reusable containers?
Both take energy!
Wrappers are thin and can only be used once. They are made of plastic.
Containers are thick and can be washed and used many times. They are made of plastic.