A- Calculator
Juicer
Fan
2. Who made machines?
A - Man
3. How does Machine help us?
A - Machines help us to do different types of work.
4. Write four features of machines.
A - 1. Machines work fast.
2. Machine can't work on their own.
3. Machines make our work easy.
4. Machines save our time.
5. Write three machines that run on electricity.
A - Washing machine
Mixer
Refrigerator
6. Write three machines that run on fuel.
A - Scooter
Car 🚗
Aeroplane
7. Name three machines that run on human power.
A - Rickshaw
Sewing machine
Speed boat ⛵
8.What is Computer?
A- A Computer is a machine that runs on electricity. It can do many things.
9. What does a Computer do?
A - 1. Computer never make mistakes.
2. It is a smart machine.
3. It can work very fast.
4. It never get tired.
5. It works when it gets order from us.
6. It can store words, numbers and pictures.
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