Example: I have a car / I have a red car (thanks to this word, we know that the car is red). Now, it's your turn.
1. Activity 1: adjectives.
2. Activity 2: complete the text with comparative words. If we compare between 2 things we add "er"; if we compare more than 2, we add "est". Be careful with the exceptions (good, bad, less, more).
About the pictures:
Picture 1: the penguin is happy.
Picture 2: the penguin that is in the middle is the happiest penguin.