Thirsty Celery

Activity Items Needed

Red and blue food colouring 2 clear plastic cups 2 stalks of celery Water Magnifying Glass

Activity Directions

Adult Guided Activity Trim the bottom and top of the celery (adult only) Put a small amount of food colouring in each of the plastic cups and fill them with water Place a celery stalk in each cup and leave in a warm place overnight Developing Investigation and Enquiry Talk about what has happened to the celery stalks
  • Why do you think it has started to change colour?
  • How did the celery 'drink' the water?
  • How did the water get up the celery stalk?
  • Can you see the tiny tubes in the celery?
Introduce the word xylem to explain the tubes that transport up the stalk. Use the magnifying glass to see the xylem.

Activity Tips

Adult Guided Activity Trim the bottom and top of the celery (adult only) Put a small amount of food colouring in each of the plastic cups and fill them with water Place a celery stalk in each cup and leave in a warm place overnight Developing Investigation and Enquiry Talk about what has happened to the celery stalks
  • Why do you think it has started to change colour?
  • How did the celery 'drink' the water?
  • How did the water get up the celery stalk?
  • Can you see the tiny tubes in the celery?
Introduce the word xylem to explain the tubes that transport up the stalk. Use the magnifying glass to see the xylem.