A teacher of students with visual impairments is planning a third grade science unit on plants. The best way for the students to make observations is to use their senses to explore what?

The best way for students with visual impairments to make observations in a science unit on plants is to use their senses to explore real objects in their natural environment. Engaging directly with the physical characteristics of plants allows students to use tactile sensations, such as feeling the texture of leaves, stems, and flowers, as well as utilizing their sense of smell to identify different plants. This hands-on experience is crucial for enhancing their understanding of plant biology.

Interacting with real objects also supports active learning, which is particularly effective for students with visual impairments. It encourages them to engage in meaningful observations and develop a deeper comprehension of the subject matter through exploration. In contrast, the other options, such as pictures, video presentations, and virtual reality simulations, do not provide the same level of engagement or sensory interaction, making them less effective for this purpose. Students may not fully grasp the concepts of plant structure and function through visual or auditory means alone, which emphasizes the importance of tactile exploration in their learning experience.