Eratosthenes determined the circumference of earth by conducting an
experiment. put his steps in order as they correlate to the scientific method.
conduct an experiment: measure the angle of a shadow at high noon
in syene and alexandria.
make observations: in syene, the sun's rays are vertical at noon. at
the same time in alexandria, the rays are 7.2 degrees from the
vertical.
t
make a hypothesis: if the sun casts shadows at different angles at
the same time of day in different places, we can determine how much
earth curves.

Answers

The provided question is incomplete, However, the missing part of the question is as follows:

1. State the Problem:

2. Make a Hypothesis:

3. Make Observations:

A) If the sun casts shadows at different angles at the same time of day in different places, we can determine how much Earth curves.

B) In Syene, the sun's rays are vertical at noon. At the same time in Alexandria, the rays are 7.2 degrees from the vertical.

C) How can we prove Earth is round and calculate its circumference?

The correct order would be : C, A, and B.

Explanation:

Scientific method for a experiment involves various steps in order such as finding a problem, make a hypothesis, creating observations, conducting experiment, collecting data, analyzing the data, making conclusion and repeating the process.

Option c is a problem about the circumference if earth about how can prove the round and calculate circumference. Option A is hypothesis related to this problem and option C. is observation.

Thus, the correct answer is C, A, B.

Solution: The correct order is: C, A, B

The statement of the problem:

How can we prove Earth is round and calculate its circumference?

Hypotheis:

If the sun casts shadows at different angles at the same time of day in different places, we can determine how much Earth curves.

If the Earth was flat, the angle measured at different places at the same time of the day would be same.

Observation:

In Syene, the sun's rays are vertical at noon. At the same time in Alexandria, the rays are 7.2 degrees from the vertical.



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