If students need each part of the ear separated out, this activity is a perfect alternative to the "Structure of the Ear" activity. Here, students will create a spider map identifying each part of the ear and describing it's function. Each cell will be devoted to a single part instead of one large diagram.
- The pinna is a flap of skin and cartilage that collects sound waves and funnels them into the ear canal.
- The ear canal is a tube that connects the pinna to the eardrum.
- The eardrum is a thin membrane that separates the outer ear and the inner ear. Sound waves that travel down the ear canal make it vibrate.
- The auditory ossicles are small bones that carry the vibrations from the eardrum to the cochlea. They amplify the vibrations. The three bones are called the hammer, the anvil, and the stirrup. They are some of the smallest bones in the human body.
- The cochlea is a spiral-shaped chamber that is filled with liquid with hairs that line it. It converts the vibrations into electrical signals.
- The auditory nerve connects the cochlea to the brain. It carries the electrical signal to the brain.
Create a spider map to identify and describe the different parts of the ear.
- Click "Start Assignment".
- Navigate to the "Science" tab. Pull down the ear diagram into each cell.
- Identify the parts of the ear: Ear Canal, Cochlea, Auditory Nerves, Pinna, Eardrum, and Auditory Ossicles and type them into the title boxes.
- Each cell should have one part of the diagram colored a different color than the rest, matching the title box.
- Write the function of the of the part of the ear below the illustration.
- Save often!
Lesson Plan Reference
Grade Level 6-12
Difficulty Level 4 (Difficult / Complex)
Type of Assignment Individual
Label the diagram giving the functions of each part.
| || Proficient || Emerging || Beginning |
All the labels are correct.
Most of the labels are correct.
Some of the labels are correct.
All the functions are correct with no grammar or spelling mistakes.
Most of the functions are correct with some grammar and spelling mistakes.
Some of the functions are correct with many grammar and spelling mistakes.
Work is well written and carefully thought out.
Work shows some evidence of effort.
Work shows little evidence of any effort.
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