GRADE LEVELS: K-3
SUBJECT AREAS: science
CONCEPT: How do plants use water?
OBJECTIVE: To see how plants take up water and any dissolved pollutants.
_ jar or other container
_ celery stalk (or white flower)
_ food coloring
KEYWORDS: water, pollution
1. Fill a container 3/4 full of water.
2. Add 3 drops of food dye.
3. Put a stalk of celery into the water.
4. Check often to see what happens.
Discuss what this experiment tells us about how pollutants could get from water into plants.
Back to Solid Waste Activities Grades K-3
Cornell Waste Management Institute ©1991
Department of Crop and Soil Sciences
Bradfield Hall, Cornell University
Ithaca, NY 14853