Plant Experiment: Water Movement and Xylem

The video tutorial demonstrates an experiment using napa cabbage or celery to observe how plants absorb water. By placing leaves or stalks in colored water, viewers can see the movement of color through the plant's xylem over time. The experiment is observed at intervals of 2, 5, and 24 hours, showing the progression of color through the plant. The tutorial explains that xylem is responsible for transporting water and nutrients from the roots to other parts of the plant, illustrating the concept of water transport in plants.

Which of the following is NOT a material needed for the experiment?

• Food color

• Celery

• Napa cabbage

• Sand

What is the first step in setting up the experiment?

• Place the leaves in the cups

• Pour water into each cup

• Observe the experiment

• Add food color to the cups

What is the purpose of adding food color to the water in this experiment?

• To help the plant grow faster

• To change the color of the plant

• To observe the movement of water

• To make the water taste better

After how many hours do the colors start to move up the stem?

• 1 hour

• 4 hours

• 3 hours

• 2 hours

What change is observed in the leaves after 5 hours?

• The leaves wilt

• The colors become more visible

• The leaves dry out

• The colors disappear

What is the primary function of xylem in plants?

• To transport water and nutrients

• To store energy

• To produce food

• To support the plant structure

Which part of the plant does the xylem transport water to?

• Only the flowers

• Only the roots

• The stem and other parts

• Only the leaves