| A | B |
| textbooks | school books |
| features | characteristics |
| graphics | visuals, drawings, illustrations, graphs, charts |
| headings | title of a major section of a selection |
| subheadings | titles that divide major sections into smaller sections |
| an outline | a way to organize written information, list the main idea and details for each section of a selection |
| bold letters | darker, wider letters |
| rubber band | circular, stretchy piece of rubber |
| vocal cord | in your voice box, having to do with the sound your voice makes |
| to pluck | to pull and let go, like a guitar string or a vocal cord |
| to hum | to sing a melody with your lips closed |
| to crunch | to push together forcefully |
| engineers | designers of systems or machines |
| to shriek | to scream in a high pitch |
| siren | the sound an ambulance or fire truck makes |
| to funnel | to move something large into a space that gradually gets smaller |
| passage | an opening, a connection between two places or things |
| snail | a small, slimy animal with a shell on its back, it moves slowly |
| to wiggle | to move back and forth quickly |
| to tilt | to lean or incline |
| upright | straight or standing straight |
| larynx | a body part in your throat |
| soprano | a high pitched voice |
| bass | a low pitched voice |
| to be lined with | cover the inside of something completely-some coats are lined with fleece |