Lucia wants to develop a process for dyeing shirts so that the color will not fade when the shirt is washed. she proceeds with the following activities:
1. lucia notices that the dye in a design fades when the shirt is washed.
2. lucia decides that the dye needs something to it combine with the fabric.
3. she places a spot of dye on each of four shirts and then places each one separately in water, salt water, vinegar, and baking soda and water.
4. after one hour, all the shirts are removed and washed with a detergent.
5. lucia notices that the dye has faded on the shirts in water, salt water, and baking soda, while the dye did not fade on the shirt soaked in vinegar
6. lucia thinks that the vinegar binds with the dye so it does not fade when the shirt is washed.
part a
identify each of the statements as an observation, a hypothesis, an experiment, or a theory.
drag the appropriate items to their respective bins.
observation
hypothesis
experiment
theory

1. This is an observation

2. This is her Hypothesis

3. This is part of her Experiment

4. This is part of her Experiment

5. This is an observation.

6. This is her Theory

Explanation:

To solve this problem you have to understand the differences and relationships between the concepts of observation, hypothesis, experiment and theory.

An observation is something that you see is ocurring in nature or in any system. Also, it describes things that you see as results of an experiment. For example Lucia saw that the dye in a design fades when the shirt was washed and that this not happened when the shirt was soaked in vinegar.

A hypothesis is a paragraph that suggest why the process that you described in your observation is happening. For example Lucía thought that the dye needs something to help it combines with the fabric. This hypothesis needs to be verified.

An experiment is a procedement that you employ to test your hypothesis, to verify it. For example the assay developed by Lucía in which shirts were subjected to different liquids.

Finally a Theory, is a complete explanation of the observation and hypothesis suggested and evaluated trough experimentation. Is the result or conclusion after ejecution of all previous steps. For example, Lucía hinks that the vinegar binds with the dye so it does not fade when the shirt is washed

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