10. QUESTIONS
■ What kind of machine is a computer?
■ What kind of machine is a hammer?
■ What are the three parts of a lever?
■ Let’s think in examples of simple machines (Write 5 words)
■ Let’s think in examples of complex machines (Write 5 words)
11. ACTIVITIES
1. Classify these machines in simple or complex.
lever – car – computer – hammer – pulley – clock –
bicycle – ramp – wheel - telephone
SIMPLE COMPLEX
12. ACTIVITIES
2. Match the name with the picture
Inclined plane
Wheel
Pulley
Lever
Hammer
Screw
13. JOURNAL
■ Write and draw three examples simple and
three of complex machines