# Saving energy and water

> Grade 4: turn off lights and screens, shorter showers, walking and cycling, why saving energy helps the planet.

Source: https://olyclass.com/library/other-g4-saving-energy-en/

- Subject: General knowledge
- Level: Grade 4
- Quiz: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=other-g4-saving-energy-en
- Copy and edit it: https://olyclass.com/library?copy=other-g4-saving-energy-en
- Games it plays well in: [High Water](https://olyclass.com/classroom-games/high-water/), [Tug of War](https://olyclass.com/classroom-games/tug-of-war/), [Lucky Wheel](https://olyclass.com/classroom-games/lucky-wheel/), [Bowling](https://olyclass.com/classroom-games/bowling/)

## Questions

1. What should you do with the light when you leave an empty room? (Cover it up / Leave it on / Turn it brighter / Turn it off)
   Answer: Turn it off
2. Which of these is a good way to save electricity? (Leave the TV on all night / Open the fridge often / Switch off a TV you are not watching / Turn on every light)
   Answer: Switch off a TV you are not watching
3. A tablet or computer that is switched off uses less energy than one left on.
   Answer: True
4. On a sunny day, how can you light a room without using electricity? (Close the curtains / Open the curtains / Plug in a fan / Turn on a lamp)
   Answer: Open the curtains
5. Which shower saves the most water? (A 10-minute shower / A 15-minute shower / A 20-minute shower / A 4-minute shower)
   Answer: A 4-minute shower
6. What is a good habit while you brush your teeth? (Fill the sink to the top / Leave the tap running / Turn off the tap / Turn on the shower)
   Answer: Turn off the tap
7. A long hot shower uses water but no energy.
   Answer: False
8. Name one way to make your shower use less water.
   Answer: Take a shorter shower (or turn off the water while soaping)
9. Which way of getting to school needs no fuel such as petrol? (Going by car / Going by motorbike / Going by taxi / Walking)
   Answer: Walking
10. Why is cycling better for the air than driving a petrol car? (It is always faster / It makes more smoke / It makes no exhaust fumes / It uses more fuel)
   Answer: It makes no exhaust fumes
11. Walking or cycling to school can keep you healthy as well as save energy.
   Answer: True
12. Name a vehicle that carries many people at once and saves energy per person.
   Answer: A bus (or a train, tram or metro)
13. Many power stations burn fuels like coal and gas. What does this release? (Cold air / Fresh clean water / Gases that warm the planet / More trees)
   Answer: Gases that warm the planet
14. Why does saving energy help the planet? (It cuts pollution from making energy / It makes more oil / It makes the sun brighter / It stops the rain)
   Answer: It cuts pollution from making energy
15. Coal, oil and gas can run out. What helps most? (Burning them faster / Forgetting about them / Using less energy / Using more of them)
   Answer: Using less energy
16. What do we call energy from the sun and wind that never runs out?
   Answer: Renewable energy (or clean energy)