1.__observation is made using one or more of the five senses.
changed in an experiment.
2. An independent variable is a variable that's _ changed in an experiment.
3. An explanation based on an observation is a/an _.
4. There may be only one
variable in an experiment.
5.__observation is made using tools or measurement.
6. What's the difference between an observation and inference?

Read the experiment. Then, match the term on the left with its definition on the right.

Kendra is doing an experiment to see which brands of popcorn leave the fewest unpopped kernels. She popped one bag at a time for four minutes each. She tested
four brands: Jiffy Pop, Pop Secret, Great Value, and Redenbacher's. At the end of the four minutes, she opened the bag and counted the number of unpopped kernels,
recording the data. She repeated her experiment four times and recorded theaverage number of unpopped kernels in her data table.

Term and Definition
7. Independent variable
a. The number of unpopped popcorn kernels
8. Controlled variable
b. The brand of popcorn
9. Responding variable
c. The time the popcorn is cooked

An independent variable is a variable that's can't changed in an experiment. An explanation based on an observation is a hypothesis.

Skill observation is made using one or more of the five senses that changed in an experiment. There may be only one independent variable in an experiment. Quantitative observation is made using tools or measurement.

Using one or more of the five senses that changed in an experiment is refer to Skill observation. The difference between an observation and inference is that an observation uses our five senses.

While an inference is a conclusion that we draw based on our observations. A responding variable is a thing that “responds” to changes you make in an experiment. It is the effect or outcome in an experiment.

Learn more about observation here: https://brainly.com/question/584814

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