Big box Big box Small box Small box Black paper Black paper Aluminum foil Aluminum foil Plastic sheets Plastic sheets Sausage Sausage.

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Presentation transcript:

Big box Big box Small box Small box Black paper Black paper Aluminum foil Aluminum foil Plastic sheets Plastic sheets Sausage Sausage

1.The outside of two boxes are wrapped with black paper 2.Use the shinny surface of aluminum foil cover the inside of two boxes 3.Cover the small box with plastic sheets 4.Then put the small box into the big box 5.Wrap the big box with plastic sheet 6.And then put it under the sun light

The big box and small box absorb sun light directly through plastic sheet. When the sun light go into the boxes, the light was reflected by aluminum foil. The reflected light in the big box help the small box to absorb heat, and the refection also take place inside the small box. Besides, the heat also trapped by the plastic sheets. These processes will increase the chance for sausage to absorb more heat. Besides, the heat also trapped by the plastic sheets. These processes will increase the chance for sausage to absorb more heat.

Wrap the inside of the big box with aluminium foil

Ａ nd with black paper cover the outside of the box!

Cover the inside of the small box with aluminium foil

Black paper cover the outside of the small box.

Put the small box inside the big box.

Ｐ ut a sausage inside the small box!!!

Wrap the both boxes with plastic sheet.

Put the solar cooker under the direct sunlight.

Assume that most of the heat from the sun can be trapped in the boxes. So, we estimate that the solar cooker can reach to 60 degree Celsius or above. So, we estimate that the solar cooker can reach to 60 degree Celsius or above.