To investigate the factors necessary for germination

Question 1

Apparatus

Answer 1

• Petri dishes
• Cotton wool
• Cress seeds
• Oil
• Cooled boiled water

Question 2

Method

Answer 2

• Label 4 petri dishes A,B,C, and D
• Place moistened cotton wool into A,B and C
• Place dry cotton wool into D
• Place cress seeds in each
• To create anaerobic conditions in C, add cooled, boiled water and a layer of oil

Question 3

Results/Conclusion

Answer 3

• Only the seeds in A germinate as it has heat, oxygen, and water.
• The seeds in the other tubes didn’t germinate as they lacked these factors