Temperature Sensors

sumana Submitted by: sumana

This experiment will help your child to understand feelings of hot and cold.

70 minutes
12 - 60 months
Group size
1 - 8 tots


  • 2 Screw Drivers (or Metal Rods)
  • 1 Freezer
  • 1 Glass jars & bottles
  • 1 cup Water (warm)


  1. Place one screwdriver in the freezer.
  2. Fill a jar with warm water. Place the other screwdriver in the warm water.
  3. Remove both of the screwdrivers after an hour and ask your child to feel them.
  4. Explain to your child that there are two kinds of sensors on our skin. Warm sensors respond to warmth and cold sensors respond to cold.
Safety Tip
Test the screwdrivers before letting your child feel them. Make sure the screwdrivers are at an appropriate temperature (not too hot or too cold).
1. Can you think of other examples of hot and cold?
1. Talk about how snow and ice are formed by cold temperatures.
2. Discuss parts of the country that are hot or cold.
3. Introduce ice and steam as forms of matter!

Developmental skills