Essay of physics
MYP 8 (1) Sabrina
Group member:
Lucy, Angel
Research question:
How does the air force affect the falling place?
Hypothesis:
If the air force is lower/higher than the falling place is closer/further because in some place air force let parachute fly more further/closer when the air force is lower/higher.
Variables:
Independent variable: air force.
Dependent variable: distance of parachute (measure with ruler)
Control variable: the surface area of the parachute and the mass of parachute.
Method:
Measuring type x1
Fan x1
Hair drier x2
Parachute x1
Electronic balance x1
Steps:
1. Put the parachute on a small doll.
2. Measure the mass of the parachute that with the small doll and record the data.
3. Turn on the fan/parachute to 2.5meters high.
4. Put the fan/parachute on a chair and don’t move it.
5. Drop the parachute.
6. Use the ruler to measure the distance and record.
Safety:
Not to hurt anyone when you drop the parachute.
Data and calculation:
No air resistance
Fan
The hair drier (small wind force)
The hair drier (big wind force)
Two hair drier
Trial 1
64
52
50
88
113
Trial 2
70
47
65
65
85
Trial 3
74
90
71
72
58
Average
(cm)
69.3
63
62
75
85.3
How to calculate the average: (trial 1+trial 2+trial 3)/3 Estimate in to one decimal
Evaluation:
This is not very accurate data because there is air in the room too. And the doll on the parachute is always moving around when it drop, so the distance of the parachute is not very accurate.
Conclusion:
In this lab, we have changed our IV and DV after we done the first time lab because we can’t measure the air
Group member:
Lucy, Angel
Research question:
How does the air force affect the falling place?
Hypothesis:
If the air force is lower/higher than the falling place is closer/further because in some place air force let parachute fly more further/closer when the air force is lower/higher.
Variables:
Independent variable: air force.
Dependent variable: distance of parachute (measure with ruler)
Control variable: the surface area of the parachute and the mass of parachute.
Method:
Measuring type x1
Fan x1
Hair drier x2
Parachute x1
Electronic balance x1
Steps:
1. Put the parachute on a small doll.
2. Measure the mass of the parachute that with the small doll and record the data.
3. Turn on the fan/parachute to 2.5meters high.
4. Put the fan/parachute on a chair and don’t move it.
5. Drop the parachute.
6. Use the ruler to measure the distance and record.
Safety:
Not to hurt anyone when you drop the parachute.
Data and calculation:
No air resistance
Fan
The hair drier (small wind force)
The hair drier (big wind force)
Two hair drier
Trial 1
64
52
50
88
113
Trial 2
70
47
65
65
85
Trial 3
74
90
71
72
58
Average
(cm)
69.3
63
62
75
85.3
How to calculate the average: (trial 1+trial 2+trial 3)/3 Estimate in to one decimal
Evaluation:
This is not very accurate data because there is air in the room too. And the doll on the parachute is always moving around when it drop, so the distance of the parachute is not very accurate.
Conclusion:
In this lab, we have changed our IV and DV after we done the first time lab because we can’t measure the air