Practicals Paper 2

Question 1

Reaction time

Answer 1

Place hand onto table with hand on the edge of the table.
Then hold ruler vertically over hand with zero end of the ruler level with thumb and finger
Then drop ruler at random intervals so they cant predict itThe person should catch it
Then repeat at least 5 times to calculate an average

Then person should drink a caffinated drink 300ml of cola Then after 10 minutes repeat the practical na d compare results

Question 2

Plant responses

Answer 2

Place 10 cress seeds in 3 different petri dishes each lined with moist filter paper
Shine a light onto one of your dishes from different directions
Leave your poor cress seeds alone for one week until you can observe their responses until you find seedlings grow towards light
Must control other factors
Water
Temperature
Light intensity
Number of seeds/Type of seeds