Topic: Sciences

Last updated: May 23, 2019

Maricarmen Ayala
Investigation I- Measurement, Experiments, and the Scientific Method
July 9, 2018
Ana Ortiz & Victoria Elizondo
BIOL-1106-S80
Ms. Gallardo
Spring 2018

Investigation I- Measurement, Experiments, and the Scientific Method

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Objectives:
We will be learning the steps of the scientific method.
We will be conducting an experiment following the scientific method.
We will make observations and construct a hypothesis.
Background:
Materials:
12 inch ruler
2 meter sticks
8 Peers
Pencil/Pen
Handout
Calculator

Procedure:
Step 1: Read the instructions and the background in the handout that was given to you.
Step 2: After reading the instructions and the background, gather all the materials that you’ll be needing to perform the experiment.
Step 3: Pause for a second and take a look at your classmates and observe some physical characteristic that varies among them.
Step 4: In order to perform this experiments the 2 characteristics that appear to vary in each of your peers is their height and the length of their hands. Use your observation to create a hypothesis about the relationship between the 2 characteristics.
Step 5: Get together with all 8 of your peers to go over the experiment (to make sure you’re all on the same page) before you begin.
Step 6: In order to get the height of each of your peers, have one of them stand straight against the wall, while another peer places both meter sticks beside the person against the wall. Have them hold both meters sticks one on top of the other and be sure to measure in inches. Once the meter sticks are placed together and everything is set to use the 12-inch ruler to mark the height and with a pen or pencil record the height of your classmate on the table that’s on your handout. Repeat this step until you have recorded all 8 of your peers.
Step 7: In order to get the length of your peer’s hands, have them extend one of their hands out and using the 12-inch ruler to measure the length of their hand. Using a pen or pencil record the length t of your classmate on the table that’s on your handout. Repeat this step until you have recorded all 8 of your peers.
Step 8: Once you have finished measuring and recording all your data get together with all your peers and as a group comes to a conclusion for your hypothesis.
Step 9: Finally, once you have come to an agreement about the final results and everything is recorded and written down, make sure to put away all the materials you gathered and make sure the work space you used is nice and clean.

Data:
Participant Name

Independent Variable Name
(Height)
Dependent Variable Name
(Hand Size)
Ana Ortiz
62 in.
6.5 in.
Tori Elizondo
65.5 in.
7 in.
Nick Rodriguez
65 in.
7 in.
Keivin Saldana
66 in.
7 in.
Jc Garza
64.5 in.
7 in.
Cristina Diaz
63 in.
7 in.
Luz Mendez
62.5 in.
6.5 in.
Gisela Vela
61 in.
6 in.

Conclusion:
As my peers and I performed this experiment, I was able to see the relationship between the two variables. People that were 65 inches or taller had a hand size of 7 inches and the people that were shorter than 65 inches had a hand size of 6 to 6.5 inches. The data my peers and I collected supported our hypothesis that tall people indeed have bigger hands. As we went through the experiment, I don’t think we had anything go wrong, our data supported our hypothesis and the experiment went well as we didn’t seem to struggle to perform this experiment. Something different that I would have done would have been that instead of using a table to record our data, I would have used a line or bar graph. I believe a line or bar graph would have given us a better visual result than the table. With the line or bar graph, we could have listed each other from shortest to tallest with the hand size next out height and then analyze the data to get our final results. Personally, that’s something I would have done differently but overall my peers and I were able to back up our hypothesis.

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