Scientific Investigation: Catapults
Variables:
* Weight of projectile
* Shape of projectile
* Surface of the runway
* The distance in which the band gets stretched
The variable I will change is the weight of the projectile
I think the weight of the projectile will effect the distance traveled, I think that if the weight of the projectile is reduced then it will be able to travel further down the runway than if it had any weights in.
I think that the projectile will move further when the weight is decreased because there will be less friction and weights' slowing it down as it is projected down the runway.
VARISABLE.
HOW IT IS GOING TO BE CHANGED OR KEPT THE SAME THROUGH OUT THE EXPERIMENT.
Weight of the projectile
I am going to change this variable through out the experiment. I going to do this by adding a 10g weight on to the projectile after every experiment I will repeat this process until the projectile has a 100g weight inside.
Shape of the projectile
I will not be changing this variable. I will make sure of this by using the same projectile through out the experiment.
Surface of the runway
I will not be changing this variable. I will make sure of this by using the same runway through out the experiment. I will write my name on the runway to make sure I use the same one.
Variables:
* Weight of projectile
* Shape of projectile
* Surface of the runway
* The distance in which the band gets stretched
The variable I will change is the weight of the projectile
I think the weight of the projectile will effect the distance traveled, I think that if the weight of the projectile is reduced then it will be able to travel further down the runway than if it had any weights in.
I think that the projectile will move further when the weight is decreased because there will be less friction and weights' slowing it down as it is projected down the runway.
VARISABLE.
HOW IT IS GOING TO BE CHANGED OR KEPT THE SAME THROUGH OUT THE EXPERIMENT.
Weight of the projectile
I am going to change this variable through out the experiment. I going to do this by adding a 10g weight on to the projectile after every experiment I will repeat this process until the projectile has a 100g weight inside.
Shape of the projectile
I will not be changing this variable. I will make sure of this by using the same projectile through out the experiment.
Surface of the runway
I will not be changing this variable. I will make sure of this by using the same runway through out the experiment. I will write my name on the runway to make sure I use the same one.
