Physical Science Summative Test

5. Which of the following statements about the Greeks' knowledge of Earth's shape is true?

• a. They believed the Earth was flat, not spherical.

• b. They relied solely on religious texts for their understanding

• c. Their beliefs about the Earth's shape were purely based on speculation.

• d. They made accurate measurements and observations to support a spherical Earth.

How did the Greeks determine that the Earth is spherical?

• a. By analyzing lunar eclipses

• b. By conducting experiments with globes

• c. Through direct observations of the Earth's shape

• d. Based on the teachings of ancient philosophers

How did the Greeks' knowledge of a spherical Earth differ from their contemporaries in other civilizations?

• a. They were the only civilization to believe in a spherical Earth.

• b. They relied solely on mythological explanations, unlike others.

• c. They developed mathematical and scientific proofs for a spherical Earth.

• d. They had no direct connection to the Greeks' understanding of Earth's shape.

What were Tycho Brahe's significant contributions to observational astronomy?

• a. He invented the telescope.

• b. He developed the laws of planetary motion.

• c. He discovered the existence of other galaxies.

• d. He cataloged precise and extensive data on planetary positions

What was the significance of Tycho Brahe's data collection methods?

• a. They enabled accurate predictions of eclipses.

• b. They provided evidence for the existence of black holes.

• c. They challenged existing beliefs about Earth's position in the universe.

• d. They provided detailed and precise measurements of planetary positions.

What did Galileo observe about the acceleration of objects in free fall?

• A) All objects accelerate at the same rate

• B) Light objects accelerate faster

• C) Heavy objects accelerate slower

• D) Objects do not accelerate in free fall

How did Aristotle contribute to the understanding of the Earth's shape?

• A) By observing the shadow of the Earth on the moon during lunar eclipse

• B) By confirming the Earth is square

• C) By stating that the Earth is a parallelogram

• D) By traveling to the edge of the Earth

According to Plato, what did he conclude about the motion of celestial bodies?

• A) Their motion is irregular

• B) Their motion is constant and circular

• C) Their motion is linear

• D) Their motion is triangular

What did Claudius Ptolemy advocate in his system of the universe?

• A) Heliocentric model

• B) Planets travel around Earth in loops

• C) Earth revolves around the sun

• D) Sun is stationary at the center of the celestial sphere

What happens to an object moving under the influence of gravity and no other external factors?

• A) It accelerates faster

• B) It decelerates

• C) It maintains constant acceleration

• D) It stops moving