WorksheetsPHYSICAL SCIENCE-QUARTER 4
Total questions: 29
Worksheet time: 15mins
What kind of terrestrial motion is portrayed by a free-falling object in accordance to Aristotle’s belief?
alteration
celestial
natural
violent
Which is an effect of the precession of the equinoxes?
the phases of the moon
the changes in solstice
the apparent shifting in the stars
the apparent motion of the celestial bodies
Which is NOT an argument by the Ancient Greeks about the Sphericity of Earth?
Earth’s shadow on the moon is always round
The sun rises in the east and sets down in the west
Explorers going south see southern constellations rise above the horizon.
Every portion on Earth has a tendency to be compressed and form a sphere.
Which is NOT TRUE about Aristotle’s astronomical beliefs?
He believed in celestial spheres
He believed that the world is a sphere
He supported the idea of geocentric universe
He suggested that Earth revolves around the Sun
Who was the first astronomer to suggest that Earth rotates on its axis?
Aristarchus
Aristotle
Brahe
Eudoxus
What phenomenon in the universe did ancient astronomers explain through epicycles?
eclipse
lunar phases
planetary transits
retrograde motion
Which phenomenon was known only with the aid of telescope?
eclipse
solstice
sunspot
supernova
It is an astronomical model in which the Earth and planets revolve around the Sun
Eclipse
Geocentrism
Heliocentrism
Solstice
What is the biggest contribution of Tyco Brahe to astronomy?
the phases of Venus
the heliocentric universe
the measurement of the Earth’s circumference
the accurate information of stars and planets
According to Kepler’s third law of planetary motion, to which quantity is the period of revolution of a planet related?
size of the planet
mass of the planet
distance along the semimajor axis
gravitational attraction of the sun and the planet
Which is NOT TRUE about Galileo?
He discovered the sunspot
He invented the first telescope
He observed the phases of Venus
He discovered the moons of Jupiter
Which was discovered by Kepler with the use of Brahe’s extensive collection of data in observational astronomy?
Law of Motion
Law of Acceleration
Law of Relativity
Law of Planetary Motion
It refers to the quantity which measures the distance travelled by an object over time.
acceleration
displacement
speed
velocity
It represents the ratio of displacement and time.
acceleration
displacement
speed
velocity
Identify the following quantities as scalar or vector: the mass of an object, the number of leaves on a tree, wind velocity.
vector, scalar, scalar
vector, scalar, vector
scalar, scalar, vector
scalar, vector, vector
For the winter, a duck flies 10.0m/s due south against a gust of wind with a speed of 2.5m/s. What is the resultant velocity of the duck?
0.5m/s2
0.5m/s
0.05m/s
5m/s2
Which of the following is not to be considered as one of the discoveries of Galileo that supported the Heliocentric model?
lunar craters
Solstice
Sunspots
supernova
The Copernican model suggested the following EXCEPT:
Earth’s motion explains the retrograde motion of other planets.
Earth spins on a tilted axis, which accounts for the seasons
Celestial motions are uniform, infinite, and circular or a compound of numerous circles.
The sun revolves around the Earth, which considered as the center of the universe.
It refers to a circular path in which the planet moves around the Earth.
deferent
distance
epicycle
equant
What is the shape of the Earth according to ancient Greeks?
cylinder
flat disc
octagon
sphere
In which of the following state(s) of motion can Newton’s First Law of Motion be applied?
I. objects at rest
II. objects with constant velocity
III. objects with constant acceleration
I only
I and II
III only
I, II, and III
How much net force is required to keep a 2-kg object moving to the right and with a constant velocity of 3m/s?
0N
0.67N
1.5N
10N
From which Newton’s Law of Motion was the law of conservation of momentum derived?
law of inertia
law of acceleration
law of interaction
law of universal gravitation
What would happen to the acceleration of the object when you double the applied net force and quadruple the object’s mass?
Acceleration would remain the same
Acceleration would increase two times
Acceleration would reduce to half
Acceleration would increase three times.
It refers to the tendency of an object to resist change in its state of motion
acceleration
inertia
momentum
velocity
A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2?
0.03N
0.3N
3N
30N
What is the acceleration of softball if it has a mass of 0.5 kg and hits the catcher's glove with a force of 25 N?
5m/s2
50m/s2
500m/s2
5000m/s2
As the distance of an object above Earth’s surface increases, the weight of the object_____________.
rises
drops
remains zero
stays the same
Which is/are TRUE about Kepler?
Statement I - Kepler noticed that an imaginary line drawn from a planet to the Sun swept out an equal area of space at the same time, irrespective of where the planet was in its orbit.
Statement II - Kepler discovered that the planets move in an ellipse with the Sun at one focus point, offset from the center.
a. Only statement I is true.
b. Only statement II is true.
c. Both statements are true.
d. Both statements are false
