Investigation of Ants
by: Jayne Hamblin and Shelbie Ruiz
Problem:
Hypothesis:
Manipulated Variable
3 Constant Factors
Range
Control
Description
2. 20 ants in all
3. Same temperature in each dish
Materials
20 ants
1/2 tbsp of cottage cheese
1/2 tbsp of a plum
thermometer
timer
1/2 tbsp to measure with
Procedure
2. get two petrie dishes
3. put cottage cheese and peach in one petri dish
4. put ten ants in one dish, and put ten in the other
5. test temperature of each dish
6. set timer for five minutes
7. record number of ants in each dish every thirty seconds
Manipulated Procedure
Control Procedure
Observations
Quantitative Data
Control Procedure:
Seconds: 0, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300 Average:
Left: 10, 10, 10, 11, 14, 13, 10, 8, 13, 11, 11 12.1
Right: 10, 10, 10, 9, 6, 7, 10, 12, 7, 9, 9 9.9
Chai-Square Data: .442- Fail to reject
Manipulated Procedure:
Seconds: 0, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300 Average:
Peach: 10, 6, 7, 7, 6, 6, 6, 8, 8, 8, 8, 8
Cottage Cheese: 10, 14, 13, 13, 14, 14, 14, 12, 12, 12, 12, 14
Chai- Square Data: 2- Rejected