- This experiment will show how water and nutrients travel up in a plant through the stem to the leaves and flowers.
- The celery represents the stem of a plant.
Materials
- celery stalk with with leafy part attached at the top
- water
- food coloring
- container
Directions
- Have the children use hand lens to observe a stalk of celery.
- Have the teacher or students add water into a container.
- Have the teacher or students add approximately 10 drops of food coloring in the container of water.
- Ask the students to predict what will happen to the celery if they put it in the container.
- Add the celery to the container and have students sketch a picture.
- Let the celery stalk stand in the container for 24-48 hours.
- Have the students observe and sketch the celery stalk again.
- What happened? Why? Were the students' predictions correct?
- Older students could write an explanation in their science journals/notebooks.
We did this experiment this week... 3 stalks -- in red, yellow, and blue water. After a week in the colored water, the leaves turned totally red and yellow (the blue one still has green leaves).
ReplyDeleteThis is a GREAT idea!!! My daughter is in pre-school and I am sure that she would appreciate something fun like this! Thanks - Looking forward to reading more! :)
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Carla aka Mrs. NoNo
Carla at Mrs. NoNo Knows
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