Parts of a Flashlight
Labeled diagram showing the main components inside a flashlight.
Simplified Ecological Pyramid
A diagram showing the flow of energy through an ecological pyramid, from producers to tertiary consumers, with decomposers recycling nutrients.
Height and Gravitational Potential Energy
Increasing the height of a ramp increases a toy car's gravitational potential energy, making it move faster.
Gas Exchange – Inhalation & Exhalation
Diagram showing the mechanics of inhalation and exhalation in the human respiratory system.
Chloroplast Structure in Plant Cells
Diagram showing the location and internal structure of a chloroplast in plant cells.
Leaf Anatomy Diagram
A labeled diagram showing the cross-sectional anatomy of a leaf, including the cuticle, epidermis, mesophyll cells, xylem, and phloem.
Structure and Function of Stomata
Diagram showing the structure and function of open and closed stomata in plant leaves.
Fractional Distillation of Crude Oil
Diagram showing the separation of crude oil into useful products by fractional distillation.
Plant Stem Structure Diagram
Labeled diagram of a plant stem cross-section showing xylem and phloem.
Transpiration in Plants
Diagram showing the process of transpiration, where water moves from the soil through a plant and evaporates from the leaves.
Phases of the Menstrual Cycle
Diagram showing the four phases of the menstrual cycle: menstrual, follicular, ovulation, and luteal.
How a Periscope Works
Diagram showing how a periscope uses mirrors to reflect light and allow viewing of distant objects.