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Experiment 1: Design an Experiment

Experiment 1: Design an Experiment

I have already performed the experiment and filled in part of the paperwork with photos from my lab experiment. I just need someone to answer the last few questions, as I don’t have the time. I will attach what I’ve already done, just answer the unanswered questions based off of the photos provided, please. 

Experiment 1: Design an Experiment

1) List 10 variables that may affect seed germination (5 points)

Temperature Towel Size*
Towel Moisture* Outdoor/Indoor
Animal Interaction Human Error
Sunlight* Laying Down vs Hanging
Type of Towel

2) Which 3 variables did you test? (3 points)

Sunlight, Towel Moisture, Towel Size

3) Write out your hypothesis for each of your 3 variables. (3 points)

4) List your independent and dependent variables as well as your control. (3 points)

Independent:

Dependent:

Control:

5) Insert a picture showing your 3 variables at the end of testing. Your name and date must be handwritten on a piece of paper in the photo. (5 points)

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6) Insert a table for your data that includes a title, units and any other useful information. (5 points)

7) Insert an appropriate style of graph that includes a title, units and any other useful information. (5 points)

8) Write a short, concise summary (Conclusion) of what you have learned from you experiment. Did you accept or reject your hypothesis? (5 points)

Lab 2 General Lab Safety

Experiment 1: Neutralization of Acids and Bases

1) Insert a photo of your litmus results. The picture needs to include your name and date handwritten on a piece of paper in the photo. (5 points)

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Table 2: Initial Litmus Test Results (5 points)
Container Chemical Contents Litmus Results Additional Observations
A 5 mL Water Base Litmus paper is purple
B .5g Sodium Bicarbonate, 5 mL Water Base Litmus paper is blue
C 5 mL Acetic Acid Acid Litmus paper is pink
Table 3: Neutralization (6 points)
Amount of Acid Litmus Result
1 mL Still very pink
2 mL Slightly darker pink
3 mL Almost a reddish color
4 mL Purple
5 mL Blue
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