2026–27 · Backup lesson · Summer & ESY 2027
Protect Garden Materials from Moving Air
Adult extension of: Wind Is Moving Air
Unscheduled alternative · available resource
Test how a controlled airflow affects loose and secured garden materials. Use the results to plan a safer setup for seed packets, labels, or lightweight containers on a breezy workday.
Curriculum skill focus: Force and motion, sensory awareness, prediction, observation
01 · Learning
Objectives
- Identify moving air through its effect on an object.
- Compare objects under the same airflow condition.
- Choose a securing method that reduces unwanted movement.
02 · Preparation
Materials
Guarded low-speed fan or hand fan; broad paper strips; empty plastic nursery pot; seed packet facsimile; tray; reusable clips; large smooth weights; tape measure; masking tape; movement record.
03 · Practice
Adult project
- 1
Choose a work problem such as labels blowing away. Inspect the guarded fan while switched off, agree on comfortable distance and noise, and predict which of two objects will move more readily.
- 2
Mark a fixed test position on a tray and a consistent fan distance. Show how to turn airflow on and off without reaching through the guard; direct airflow only toward the test area.
- 3
Test each object at the same fan setting and position for the same short interval. Record stayed, shifted, or tipped, or measure travel distance where useful; do not change fan speed between comparisons.
- 4
Select one object that moved and choose a clip, stable tray, or appropriately sized weight. Secure it without creating a trip or tipping hazard, then repeat the same airflow test.
- 5
Compare the secured and unsecured trials. Discuss how shape, exposed area, mass, friction, and fastening may all influence movement, and avoid concluding that every heavier object is windproof.
- 6
Arrange a practical breezy-day workstation using the result. Switch the fan off, return clips and weights, and identify conditions strong enough that the work should move indoors instead.
Evidence & interpretation
What the investigation shows
Wind is moving air that exerts forces on surfaces. This small controlled test models one airflow direction; gusts and turbulence outdoors can produce different effects.
Practical connection
Why this work matters
Moving air matters when organizing outdoor planting, keeping labels in place, and securing lightweight supplies.
Participation by choice
Individual access options
- Choose a hand fan or silent prepared video if motor noise or airflow is uncomfortable.
- Operate a switch, record movement, or direct a partner without handling small fasteners.
- Use large high-contrast movement markers and spoken descriptions; opt out of feeling airflow and stop the trial on request.
Review & transfer
Reflect on the work
- Which change reduced movement in your repeat test?
- What could make the outdoor result different from the indoor fan test?