Line 109: |
Line 109: |
| can with black paper. Secure the paper with tape or rubber bands. This helps the can absorb | | can with black paper. Secure the paper with tape or rubber bands. This helps the can absorb |
| heat. | | heat. |
− | 2. Use kabob stick to punch a hole through | + | <br>2. Use kabob stick to punch a hole through |
| one of the long sides of the shoebox. The | | one of the long sides of the shoebox. The |
| hole should be about 2” from the back of the | | hole should be about 2” from the back of the |
| box. This is for the thermometer. | | box. This is for the thermometer. |
− | 3. You may have to add several layers of | + | <br>3. You may have to add several layers of |
| cardboard inside. This lets the thermometer reach the inside of the can. It also adds | | cardboard inside. This lets the thermometer reach the inside of the can. It also adds |
| insulation. Try wrapping the cardboard with aluminum foil to reflect heat onto the can. | | insulation. Try wrapping the cardboard with aluminum foil to reflect heat onto the can. |
− | 4. Attach another reflector with tape. Puncture the reflectors with kabob sticks, and | + | <br>4. Attach another reflector with tape. Puncture the reflectors with kabob sticks, and |
| and slide them through the reflectors. use the sticks | | and slide them through the reflectors. use the sticks |
| to hold the reflectors open. | | to hold the reflectors open. |
− | 6. Try using a black-painted can and a plain can to see how
| + | <br>5. Try using a black-painted can and a plain can to see how |
| fast each heats up. Make a chart to record your results. | | fast each heats up. Make a chart to record your results. |
− | 5. Lay the shoebox on its side in the sun. You can lean it against a wall to face the
| + | <br>6. Lay the shoebox on its side in the sun. You can lean it against a wall to face the |
| sun. Fill the soda can about 3/4 full with water, and place it in the box. Insert the | | sun. Fill the soda can about 3/4 full with water, and place it in the box. Insert the |
| thermometer, and record the temperature. record the temperature | | thermometer, and record the temperature. record the temperature |