1. Discovery Kits: Electricity

2. 1.5 V Battery Batteries in series Closed switch Open switch 1.5 - 3.0 V Motor Components

3. Page 7 Open circuit Closed circuit: using a paper clip

4. Page 8 Circuit 1 : open Circuit 1 : closed

5. Page 8 Circuit 3 : Circuit 2 :

6. Page 11 A B Continuity tester for quiz board building

7. Circuit 1 Page 12

8. Circuit 2Circuit 3

9. Page 13 Circuit 1 (series circuit) Circuit 2 (parallel circuit)

10. Page 15 Reverse the connections of the motor A B A B

11. Page 15 The Buzzer

12. Page 18 A B C D M Figure 1 : Close switches B and D

13. Page 18 A B C D M Figure 2 : Close switches A and C