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With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.

Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action.