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Left-handedness and mirror writingFeatured science projectScience project video

Materials

The materials required for the science fair project:

-    10 left-handed persons aged 15 years old
-    10 right-handed persons aged 15 years old
-    A text or phrase is chosen to test the participants
-    20 pieces of papers
-    20 pencils
-    A stopwatch
-    A mirror
 

Procedure

1.    For this science fair project, the independent variable is whether the participant is left-handed or right-handed. The dependent variable is the participants’ ability (and speed) to write in mirror language. This is determined by using the stopwatch to measure the time taken for participants to finish writing the given text. The constants (control variables) are the age of the participants and the length of the text.

2.    Ten left-handed and another 10 right-handed participants age 15 were chosen to take part in this experiment.

3.    A simple text passage (eg. “This is mirror language” or “This is how I write in mirror language”) is selected. Any other simple text passages or sentences can also be chosen to test the participants.

4.    The participants are tested one person at a time. They are each given a piece of paper and a pencil. The participants are next given the selected text to be written in mirror writing. The stopwatch is activated and the time taken by the participant to complete writing the text in mirror language is recorded.

5.    The mirror-written text is checked by placing a mirror beside the text. The time taken to complete the mirror writing test is recorded in the table below.

6.    Procedures 4 and 5 are repeated on all 20 participants and results are recorded in the table below..
 

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Complexity level:
4
Project cost ($):
30
Time required:
1 hour to prepare, 1 day for observation
Material availability:
Easily found. Ensure that your mirrors are not too large or small.
Safety concerns:

Handle mirrors with care to prevent injury