2. Our senses We can use our eyes to see things

3. Our senses We use our ears to hear

4. Our senses We can smell with our noses.

5. Our senses We can use our tongues to taste

6. Our senses We can feel things when we touch them

7. Our senses We can feel movement with our bodies

8. Sensors A sensor is a device that can sense things just like our senses.

9. Sensors A sensor is a device that can sense things just like our senses. Sensors can sense light, sound, movement, temperature, smoke…

10. Sensors A sensor is a device that can sense things just like our senses. Sensors can sense light, sound, movement, temperature, smoke… We use sensors to help us in lots of different ways.

11. What can you see?

12. Burglar alarm

13. Senses movement Burglar alarm

14. What can you see?

15. Smoke alarm

16. Senses smoke

17. Guess what this is

18. Security light

19. Senses daylight and movement Security light

20. What can you see?

21. Baby alarm

22. Senses sound Baby alarm

23. What can you see?

24. Barcode scanner

25. Senses light Barcode scanner

26. What can you see?

27. Remote control

28. Senses light Remote control

29. What can you see?

30. Automatic doors

31. Sense movement Automatic doors

32. movement Burglar alarms sense smoke

33. Smoke alarms sense movement smoke

34. Security lights sense sound Movement & light

35. Baby alarms sense Movement & light sound

36. Barcode scanners sense sound light

37. Remote controls sense light sound

38. movement Automatic doors sense smoke