### Eratosthenes’ measurement of the Earth’s Circumference

- Posted On April 26, 2018
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Students will measure the Earthâ€™s circumference based on Eratosthenesâ€™ experiment, which he carried out at 3rd century B.C.

**Cognitive domain (processes)**

to think critically and creatively: Students learn about the innovative way Eratosthenes used to calculate Earth’s circumference.

**Cognitive domain (knowledge)**

procedural knowledge: Students understand how exactly Eratosthenes performed his measurement and attempt to repeat it.

**Affective**

to respond and participate: Students follow the guidelines given by the teacher and perform the measurement of Earth’s circumference themselves.

**Psycomotor**

to imitate and try: Learners follow the same procedure as Eratosthenes did and try to measure Earth’s circumference exactly as he did.