Yeee oractiscls

Question 1

ruler drop

Answer 1

1. one person sit with arm rest table
2. another person hold ruler vertically
3. without warning drop ruler
4. person catch quickly as possible
5. record number where they caught
6. repeat and calc mean distance
7. repeat w diff like listen music

Question 2

rate of decay

Answer 2

1. add milk+ ph indicator to test tube
2. place in water bath at a set temp
3. add lipase start stopwatch
4. stir gently + time how long it take change colour
5. repeat diff temps (20,30,40)
6. record times and means

Question 3

transect practical

Answer 3

1. lay tape measure along habitat
2. place quadrat at regular intervals
3. count number of plants each one
4. measure abiotic features
5. repeat diff areas reliability
6. record analyse results