Observation plays a crucial role in the science teaching process, allowing students to explore and understand the world around them. However, this observation can occur in two ways distinct : by direct contact with objects study and through technical resources or their products . The correct alternative is alternative 1: assertions I and II are true propositions, and II is a correct justification of I. Ways of Observation in Science Teaching.
-  Assertion I: is true, as describes the observation made by contact direct Strong> With objects of study, which may include natural environments, organisms, machines , among others. 
-  Assessment II: , as it describes the observation made through technical resources such as microscopes, telescopes , photographs, movies or prints . 
The second assertion (ii) justifies the first (i) by explaining that observation can occur in two different ways: directly with objects Study or through technical instruments. Therefore, both assertions are true and are related in a appropriate .