6: photosynthesis
Cards (21)
- What should you be able to describe by the end of the video?
- What additional concept should higher tier students explain?
- What is the first step in the required practical for investigating photosynthesis?
- Why is an LED light source preferred for this experiment?
- What should you do if using a normal light bulb?
- What does sodium hydrogen carbonate solution release?
- What is the purpose of the pond weed in the experiment?
- How long should the pond weed acclimatize in the boiling tube?
- What gas is produced by the pond weed?
- What should you do after starting the stopwatch?
- How many times should you repeat the bubble count?
- What should you calculate after counting the bubbles?
- What distances should you test in the experiment?
- What are two main problems with counting bubbles?
- How can you solve the problems with counting bubbles?
- What equipment is used to measure the volume of oxygen?
- What happens to the number of bubbles per minute as distance increases?
- What is the relationship between distance and light intensity?
- What is the scientific term for the observed relationship in the experiment?
- Why does light intensity affect the rate of photosynthesis?
- What should higher tier students focus on in this experiment?