Let’s go through each object one by one and decide whether it uses
mains electricity (plugged into the wall) or
batteries (portable power).
---
1.
Remote control – You press buttons to change TV channels. It doesn’t plug in — it runs on small batteries inside.
→
batteries
2.
Television – Big screen that shows cartoons or news. Needs to be plugged into the wall to work.
→
mains
3.
Flashlight (torch) – You carry it around, turn it on with a switch. Usually has batteries inside.
→
batteries
4.
Portable music player with headphones – Small device you can take anywhere. Runs on batteries so you can walk with it.
→
batteries
5.
Iron – Used for smoothing clothes. Gets hot and must be plugged into the wall.
→
mains
6.
Lamp (table lamp) – Gives light when you turn it on. Plugs into the wall socket.
→
mains
7.
Toaster – Pops up toast! Must be plugged in to heat up.
→
mains
8.
Washing machine – Big appliance that washes clothes. Always plugged into mains electricity.
→
mains
9.
Calculator – Small device for math. Most school calculators run on tiny batteries.
→
batteries
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Final Answer:
- Remote control → batteries
- Television → mains
- Flashlight → batteries
- Music player → batteries
- Iron → mains
- Lamp → mains
- Toaster → mains
- Washing machine → mains
- Calculator → batteries
Parent Tip: Review the logic above to help your child master the concept of 4th grade science electricity worksheet.
