Tutorials
Figure Legend: Definition, Examples & How to Write One
What a figure legend is, with complete examples for microscopy, charts, blots, and schematics — plus a 4-part structure, common mistakes, and a submission checklist.
Tutorials
How to Draw a Free Body Diagram: Forces, Examples, and Checklist
Draw a free body diagram step by step. Learn which forces to include, avoid common FBD mistakes, and use examples for blocks, ramps, and projectiles.
Tutorials
How to Draw Molecular Orbital Diagrams: A Step-by-Step Guide
Draw a molecular orbital (MO) diagram step by step. Learn bonding vs antibonding orbitals, filling order, bond order, worked examples for O₂ and N₂, and more.
Tutorials
How to Label a Brain Diagram: Lobes, Structures, and Functions
Label a brain diagram step by step. Learn the four lobes, the brainstem and cerebellum, key internal structures, common mistakes, and how to make your own.
Tutorials
How to Label an Animal Cell Diagram: Parts, Functions, and Examples
Label an animal cell diagram step by step. Learn every organelle, avoid common mistakes, compare plant and animal cells, and make a blank worksheet.
Tutorials
How to Label an Ear Diagram: Outer, Middle, and Inner Ear Explained
Label an ear diagram step by step. Learn every structure of the outer, middle, and inner ear, how hearing works, common mistakes, and how to make your own.