In fact, both colour mixes you can observe are correct. They are called additive and subtractive colour mixing and an interplay of the two determines how we see colours in our everyday lives.
Task 1: To learn more about these two principles of colour mixing, watch these two videos. While watching the videos, take notes on how the two colour mixes work.
Task 2: Now structure your notes and fill the following overview with the knowledge from the two videos. You will need this table later for your own work with colour mixtures. Exchange information with your group members and try to help each other if necessary.
Lights on! 