Color-Climbing Celery
Colored veins/petals appear.
Teaching & key ideas
What you do: Show a stalk prepared earlier in colored water; cut stem if desired.
What students see: Colored veins/petals appear.
Why it works: Water moves through narrow plant tubes by capillary action and transpiration.
Question to ask: Where did the color travel inside the plant?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Where did the color travel inside the plant?