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Group 2 The Experimental Explorers Variables Science Stories Page

Investigation 1

Experiment 1: The Swinger
Today, we made a swinger, or pendulum.
Results: 26 swings (in 15 sec).
Range: 24-27 swings

-We can tape a pencil to a table to make all of the experiments closer together. Pencils have the same amount of mass and maybe the person who is swinging it is moving their finger. The pencil didn't move at all.

04/24/12 and 04/25/12
We made 2 swingers. One is 29 cm. and one is 45 cm. We also tested them.
Results: 45 cm: 12; 29 cm: 15
Range: 45 cm: 11-12; 29 cm: 15 every time
Experiment 2: The mass of the swinger
Today, we investigated in the mass of our pendulum.
It didn't change much




Experiment 3: The length of the swinger
We made 2 swingers. One is 29 cm. and one is 45 cm. We also tested them.
Results: 45 cm: 12; 29 cm: 15
Range: 45 cm: 11-12; 29 cm: 15 every time




Experiment 4: Starting Floating
We made a boat and we filled a bucket of water. We had pennies and every pennie was one passenger.
Name: The spectacular
Passengers: 24
Capacity: 51ml



Experiment 5: Making more boats
Today we made 3 more boats and did the same thing as we did the first time.
Spok(4.3): Capacity: Overflow: Passengers: 37
Short(3.2): Capacity: 50ml: Passengers: 12
S.S. Fantasy(3.9): Capacity:Overflow: Passengers:27



Experiment 6: The Airplane





Experiment 7:





Experiment 8:





Experiment 9:





Experiment 10:





-A standard is the basic procedure used in a controlled experiment, before changing any of the variables.
-A controlled experiement is one in which one, and only one, variable is changed in order to assess its effect.