3 stuff in 1 one case. project in physics

3. Materials:

4. TIN CASING
Used or old USB car
adapter/charger
9 volt battery &
battery holder for 9 volt
battery
Electrical tape

5. MIRROR
MASKING TAPE &
DOUBLE SIDED TAPE
String
Phone holder SPRAY PAINT

6. Procedures:

7. Attach the battery holder wires to the USB car
adapter/charger. Make sure to connect the
negative (black) wire to the negative terminal
of the adapter and the positive (red) wire to
the positive terminal of the adapter. Secure
the connections with an electrical tape.
Cut a small square hole on the side of the tin
casing where the USB adapter can be inserted

8. Put in place the USB adapter and secure
it using an electrical tape.
Tape the battery in a secure area within the
tin casing. Make sure that it’s not loose so it
won’t fall off.

9. Attached the battery holder to the
battery terminals.
Cut a square from the illustration board
which fits to the cover. Then put double
sided tape and masking tape to the one
side.

10. If you have a phone holder you can
add it by a string.
Add the mirror by double sided
tape on the cover

11. Paint the outside of the final product
Place the cover over the tin
casing to protect the materials

12. SCIENCE
APPLICATION
• Simple Circuit
•Voltage regulation
•Preventing from corrosion