Tap a word, then tap its numbered spot on the picture. You can also choose words in the numbered list.

In a cutaway heated pot, water rises at the center, flows outward at the top, and sinks at the sides. An arrow follows a metal spoon outward. Sunlight arrows point down toward a dark block.
Three ways thermal energy moves

About this model: The arrows show directions in these examples, not measured transfer rates. Several transfer processes can happen at the same time. An insulating handle slows energy transfer; it does not stop it completely.

Original PotentELL science illustration

Word bank (5)

Numbered spots

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5