Plant Transport System (Day 2)

The same stalk of celery used in Day 1, slightly slit and then torn apart to reveal the water-carrying tubes.

Taken in class right after the stalk was torn apart.

Taken in the staffroom after class.

Let's take a closer look.

Also see:
Plant transport system (Day 1)
Plant transport system (2016)

Plant Transport System (Day 1)

A combination of 2 videos taken today, 2 hours apart.

Gratitude

The final dash

Wishing everyone all the best for PSLE!

Rate of photosynthesis

Here is a simple Flash simulation on how some factors affect the rate of photosynthesis.

Click the diagram below to go to the simulation in your browser.

http://www.kscience.co.uk/animations/photolab.htm 

The temperature, intensity of light and amount of carbon dioxide can be adjusted.

What is the observable variable here?

Answer: Number of bubbles per minute.

Energy conversion - in the skate park

Click to Run

Discipline

Sighted in Tampines Hub: