This document discusses different types of tools, machines, and inventions. It explains that tools like scissors, pliers, spoons, and hammers make work easier. Simple machines such as pulleys, ramps, wedges, and wheels are also introduced. More complex machines include computers, washing machines, radios, bikes, telephones, and cars. Important inventions that have improved modern life are noted as the television, telephone, wheel, computer, and radio.

1. natural

2. Tools and machines
Tools and machines make work easier.

3. Tools
We use tools everyday.
scissors

4. Tools
We use tools everyday.
pliers

5. Tools
We use tools everyday.
spoon

6. Tools
We use tools everyday.
spade

7. Tools
We use tools everyday.
hammer

8. Tools
We use tools everyday.
hose

9. Simple machines
A pulley is a simple machine.
pulley

10. Simple machines
A ramp is a simple machine.
ramp

11. Simple machines
A wedge is a simple machine.
wedge

12. Simple machines
A wheel is a simple machine.
wheel

13. Simple machines
A lever is a simple machine.
lever

14. Simple machines
A screw is a simple machine.
screw

15. Complex machines
A computer is a complex machine.
computer

16. Complex machines
A washing machine is a complex machine.
washing
machine

17. Complex machines
A radio is a complex machine.
radio

18. Complex machines
A bike is a complex machine.
bike

19. Complex machines
A telephone is a complex machine.
telephone

20. Complex machines
A car is a complex machine.
car

21. Important inventions
Lots of inventions make our lives easier.
television

22. Important inventions
Lots of inventions make our lives easier.
telephone

23. Important inventions
Lots of inventions make our lives easier.
wheel

24. Important inventions
Lots of inventions make our lives easier.
computer

25. Important inventions
Lots of inventions make our lives easier.
radio
bulb