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WorksheetsPhysical Science "SPHERICAL EARTH & BRAHE"
Total questions: 15
Worksheet time: 8mins
Which of the shapes below represents the belief of the Greeks about the shape of the Earth?
Which among the philosophers measured the Earth’s circumference?
Aristotle
Plato
Pythagoras
Eratosthenes
How did the Greeks especially Aristotle use the lunar eclipse phenomenon to explain that the Earth is not flat?
He noticed that the shadow casts by Earth on the moon is round.
He argued that since the shape of the moon appears to be round then the Earth must also be round.
He argued that lunar eclipse only happens when a round opaque object blocks the passage of sunlight.
He noticed that all things seemed to be moving around the Earth except for Earth itself.
Which of the following is true about how the Greeks knew that the Earth is not flat?
They observed that Earth is rotating on its axis.
They noticed that even in short travels northwards the Pole star is higher in the sky.
They have seen Earth from outer space.
They observed that during a solar eclipse, Earth is temporarily covered with darkness during the daytime.
Which time of the year did Eratosthenes observe the pillar in Alexandria cast a shadow?
noontime during spring
noontime during the summer solstice
noontime during solar eclipse
noontime during the winter solstice
Which of the following astronomical phenomena was already observed by the ancient people even before the telescope was invented?
sunspot
solar eclipse
craters of the moon
atmosphere of Mars
Which of the following objects would most likely cast a shadow on the moon during a lunar eclipse when it is observed here on Earth without the aid of a telescope?
Sun
Moon
North star
Earth
full moon
first quarter moon
new moon
last quarter moon
full moon
first quarter moon
last quarter moon
new moon
How did the ancient astronomers discover that Mercury and Venus are planets not stars?
They noticed that the stars are in a fixed position to each other. But they have observed that there are very bright stars wherein its positions periodically change.
They noticed that Mercury and Venus are bigger compared to the other stars.
They noticed that the constellations’ positions in the night sky vary depending on the time of the year.
They noticed that the stars change positions periodically. But there are very bright stars in a fixed position to each other.
Which of the concept below is Tycho Brahe’s major contribution to the field of astronomy?
the Earth’s pull of gravity on the moon
measurement of Earth’ circumference
accurate measurement of stars’ and planets’ position
the invention of the telescope
Kepler’s first law of planetary motion is known as ________.
Law of Ellipses
Law of Gravity
Law of Periods
Law of Equal Areas
Which of the following statements bests describe Brahe’s model?
The planets except Earth revolve around the Sun, while the moon and the Sun revolve around the Earth.
The Sun and the Earth are both at the center and the other planets revolve around
it.
All the planets revolve around the Sun while the moon revolves around the Earth
Neither the Sun nor the Earth is at the center and the other planets do not revolve
around it.
Kepler discovered that planets do not go around the Sun at a uniform speed but it depends on its position relative to the Sun. What is its speed when it is closer to the Sun?
faster
neither fast nor slow
slower
similar to the speed when it is far from the sun
What relationship did Kepler discover between the times of revolutions of the planets and their distance from the Sun?
The square of the times of revolution of the planets are proportional to the cube of their average distance from the Sun.
The square of the times of revolution of the planets is not proportional to the cube of their average distance from the Sun.
The cube of the times of revolution of the planets are proportional to the square of their average distance from the Sun.
The cube of the times of revolution of the planets is not proportional to the square of their average distance from the Sun.
