How to make a thermometer out of paper

Written by alicia bodine Google
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How to make a thermometer out of paper
Children can create their own thermometer for math class. (thermometer image by Dron from

Children can learn all about temperatures in math class. Once a child learns what occurs at various temperatures, he can learn how to read a thermometer to detect the temperature. A great way to keep a child's interest during this math lesson is to help him create his own thermometer out of paper. Once he has mastered that, he can move on to using real thermometers.

Skill level:
Moderately Easy

Things you need

  • Pencil
  • Ruler
  • White construction paper
  • Red construction paper
  • Blue construction paper
  • Scissors

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  1. 1

    Draw the shape of a thermometer on a white piece of construction paper. Make it 10 inches tall and 3 inches wide. The bottom part should be slightly round. Cut a slit just above the rounded bottom.

  2. 2

    Cut a strip of red construction paper and a strip of blue construction paper. Make the strips 8 inches tall and 1 inch wide. Tell students that the red strip represents heat and the blue strip represents cold. Insert the strips through the slit at the bottom of the thermometer.

  3. 3

    Label the thermometer. Make eight marks on each side of the thermometer. Place an F---for Fahrenheit---on the top left, and a C---for Celsius---on the top right.

  4. 4

    Add degrees, starting at -4.44 degrees C on the left side and progressing upward in rises of -6.67 degrees C. Start at -40C on the right side and progress upward in rises of -12.2 degrees C.

  5. 5

    Ask the students to display different numbers on the thermometer by moving their strips up and down. Tell them to use the blue strip if you mention a temperature that is cold. Tell them to use the red strip if you mention a temperature that is hot.

Tips and warnings

  • You may want to have children look up the temperature for the day on, and then display that temperature on their thermometers.

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