Find out whether vinegar helps or hurts radish seeds.
Paint with vinegar, baking soda, and plant parts.
Test baby roots to see if they know which way to grow.
Study the stem of a celery plant.
Find out what the tops and bottoms of leaves do for plants.
Use color to track the movement of water and nutrients in a celery stem.
Find plant parts you can color with.
Compare how beans grow in the dark and the light.