The Putra Science Talk Challenge is one of the component activities of the Jom Sains @ Komuniti 2025 Carnival. It serves as a platform for delivering scientific knowledge in a relaxed and creative manner to the public through the sharing of ideas from various perspectives by participants consisting of secondary school students.

The competition aims to enhance students' communication skills when speaking in front of an audience. This activity also encourages students to think critically while training themselves to be more confident and courageous on stage.

The activity takes the form of a speech presentation delivered within a time frame of 5 minutes, based on the theme “STEM Solutions for a Changing Climate.”