30 Questions
What is the main purpose of the 'Answer Key' in this module?
To provide correct answers to activities in the module
What is the recommended way to answer exercises in the module?
Utilizing a separate sheet of paper
What is the importance of 'What I Need to Know' section in the module?
Introduce the concepts and focus of the module
Which action should be taken if encountering difficulty with tasks in this module?
Consult your teacher or facilitator
What should be completed before proceeding to other activities in the module?
'What I Know' exercise
What should be done after finishing all activities in this module?
Return it to your teacher/facilitator
What is the point called where the ecliptic intersects with the celestial equator?
The celestial equinox
How did the Greeks deduce that the Earth is spherical?
All of the above
What did Eratosthenes observe about the sun's rays in Syene and Alexandria during the summer solstice?
No vertical shadow was cast in Syene, but a shadow was cast in Alexandria at an angle of 7.2°
What did Eratosthenes assume about the sun's rays based on his observations in Syene and Alexandria?
The sun's rays were parallel and the difference in shadows was due to the curvature of the Earth's surface
What distance did Eratosthenes find between the cities of Syene and Alexandria?
5000 stadia (approximately 800 km)
What was the key observation that led the Greeks to conclude the Earth is round?
The circular shadow cast by the Earth during a lunar eclipse
Which ancient civilization is credited with developing early models of the solar system?
Ancient Greeks
What does the text suggest will be covered in this module?
The views of ancient Greeks about the universe and the origin of the solar system model
Which of the following is NOT mentioned as being studied in previous grades?
The retrograde motion of planets
In the activity described, what is being used as a reference?
A celestial sphere
What is the objective of the activity described in the text?
To familiarize the coordinate system of the celestial sphere
Which of the following is NOT one of the items mentioned in the activity?
Equivalent to the Earth's rotation
Why did Eratosthenes believe the Earth's circumference must be approximately 40,000 kilometers?
From the measurement of 50 x 5000 stadia
What was the significance of the spherical shape of Earth according to Greek beliefs?
To satisfy their sense of symmetry
What did the Egyptians base their calendar on?
365-day year
How did early Chinese civilizations use their knowledge of astronomical events?
For navigation using stars
What is diurnal motion in modern astronomy?
The apparent daily motion due to Earth's rotation
Why did humans depend on their senses to grasp the universe before telescopes were invented?
Because telescopes had not been invented yet
What does this learning resource aim to help learners acquire?
Needed 21st-century skills
What is the purpose of the 'Notes to the Teacher' box in the module?
To provide helpful tips or strategies for the teacher
What is the teacher expected to do as a facilitator?
Orient the learners on how to use the module
What is the learner's role in this learning process?
To manage their own learning and progress
What is the significance of the human hand mentioned in the text?
It depicts the learner's ability to create, accomplish, and learn
What is the key message conveyed to the learner in the text?
The learner's academic success lies in their own hands
Engage in guided and independent learning activities at your own pace and time while acquiring 21st-century skills. Discover helpful tips in the 'Notes to the Teacher' section to guide learners effectively.
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