Lesson 16Warm and cool ① warm or cool ?This is cold.This is cool. ① warm or cool ?Ouch !That’s hot!This is warm. ② Let’s do it !• This is warm.toe④Let’s sing !• Head , shoulders , knees , toes• Knees , toes , knees ,toes• Head , shoulders , knees ,toes• Eyes , ears, mouth ,nose