LabsLand Teach lessons

• Microscope (Direct)
• 70 min
• Secondary school
• English

Microscope: discover, prepare, and observe

Students discover the equipment needed for an onion preparation, investigate which tissue transmits light, practice preparing a wet mount, and compare their prediction with a laboratory-prepared reference specimen.

• Identify equipment used to prepare an onion wet mount by matching each item to its function.
• Justify which onion layer is suitable using thickness, transparency, and ability to lie flat.

Includes student questions and response prompts.

• Microscope (Direct)
• 45 min
• Secondary (ages 14–17)
• English

Microscope: zoom, focus, and cell evidence

Students use the Microscope (Direct) lab to observe one real sample at several zoom levels, adjust focus and lighting, choose visible evidence, and explain a cell identification without inventing unsupported measurements.

• Use the Microscope (Direct) lab in cell-sample mode to observe one real sample at several objective zoom levels.
• Explain why 4x, 10x, 40x, and 100x are useful for different observation goals.

Includes student questions and response prompts.