By touching, a student identified the differences between a convex lens and a concave lens. To which objective does it belong?
1 Knowledge
2 Skill
3 Application
4 Understanding

Correct option is D

Correct Answer: (d)
Explanation
The student is identifying and distinguishing between a convex lens and a concave lens through observation (touch}, demonstrating that they understand the characteristics of the two lenses.
This reflects the objective of Understanding, which involves:
· Identifying differences
· Explaining concepts
· Classifying objects
· Interpreting information
Hence, the correct answer is Option (d}: Understanding.
Additional Information
Objectives in Science Teaching
• Knowledge
· Recalling facts, definitions, laws, and principles.
Example: Naming the types of lenses.
• Understanding
· Explaining, comparing, classifying, distinguishing, and interpreting concepts.
Example: Differentiating between a convex lens and a concave lens.
• Application
· Using learned concepts in new situations or solving problems.
Example: Selecting the correct lens to correct myopia.
• Skill
· Performing practical activities, handling apparatus, observing, measuring, experimenting, and recording data accurately.