PHYSICAL SCIENCE

Question 1

is a concept
that describes the Earth
as the centre of the
universe

Answer 1

Geocentric model

Question 2

Earth is at the centre of
universe and other
objects revolve around it

Answer 2

Geocentric model

Question 3

Sun appearing to be
revolving around the
Earth once per day and
an observer for Earth
sees a stationary Earth

Answer 3

Geocentric model

Question 4

Is an
astronormical rnodel in
Whhich the Earth and
planets rmove around
the Sun at the centre of
the Solar syster-n

Answer 4

Heliocentric Model

Question 5

Sun Is at the centre Of
the solar systern while
other objects including
the Earth revolve
around the Sun

Answer 5

Heliocentric Model

Question 6

Telescopic Evidence

Answer 6

Heliocentric Model

Question 7

stated that the Earth is the center of the universe

Answer 7

Geocentric theory

Question 8

considered that the sun is the center of the universe.

Answer 8

Heliocentric Model

Question 9

There were scientists who supported the geocentric model like

Answer 9

Eudoxus, Aristotle, and Ptolemy

Question 10

believed in Heliocentric theory.

Answer 10

Aristarchus and Copernicus

Question 11

The ideas about the
spherical Earth were also argued
at around ____________. in
ancient time.

Answer 11

6th Century B.C

Question 12

One of the Scientists
who supported the idea of a
spherical Earth was ___________.

Answer 12

Aristotle

Question 13

He also observed that every
a portion of Earth tends toward the
center and form a sphere by
_________________

Answer 13

CONVERGENCE OR
COMPRESSION.

Question 14

He also explained that the
travelers going south see southern
constellations rise higher above
the horizon and during the __________________, the shadow of Earth on
Moon is ______________

Answer 14

lunar
eclipse, round.

Question 15

He also observed that the
stars seen in Egypt and Cyprus
were not seen in the northerly
regions and this could only
happen in a _____________

Answer 15

Tycho Brahe, curved surface.

Question 16

___________
believed that the Earth is
spherical.

Answer 16

Aristotle and the Ancient Greeks

Question 17

To prove his claim, he
provided physical and
observational arguments about
this. He also observed that every
portion of Earth tends toward the
center and form a sphere by
CONVERGENCE OR
COMPRESSION.

Answer 17

Aristotle

Question 18

Even before the invention of ___________,
astronomers and ancient people have already
observed different astronomical phenomena
particularly the things happening on the sun,
moon, and the planets.

Answer 18

telescope

Question 19

The motion of the sun was studied by
the ancient ______________ using a
primitive way of ____________which they called as
GNOMON.

Answer 19

Babylonian and Egyptian, sundial, GNOMON

Question 20

rising and setting of the ____________in the________________, respectively,

Answer 20

SUN , east and
the west,

Question 21

point where the Sun rises and sets in the
________________varies in a year,

Answer 21

HORIZON

Question 22

phases of the _____________,

Answer 22

moon

Question 23

lunar ______________,

Answer 23

eclipse

Question 24

_____ eclipse,

Answer 24

solar

Question 25

daily and annual motion of the _________ , and 7. planets _____________________

Answer 25

stars, Mercury, Venus, Mars, Jupiter, and Saturn.

Question 26

In a lunar eclipse, the Moon moves into the _____________ cast by______________.

Answer 26

shadow of Earth ,the Sun

Question 27

When the Moon passes through the the outer part of Earth’s shadow—the _____________,

Answer 27

penumbra

Question 28

, where the light of the Sun is only partly extinguished—the Moon dims only slightly in what is called a __________________.

Answer 28

penumbral eclipse

Question 29

When the Moon passes through the central part of Earth’s shadow—the ___________, where the direct light of the Sun is totally blocked—the lunar eclipse is considered partial if the Moon is partly within the umbra or total if the Moon is completely within it.

Answer 29

umbra

Question 30

In a _______________, the Moon passes between Earth and the Sun and stops some or all of the Sun’s light from reaching Earth.

Answer 30

solar eclipse

Question 31

In a _______________, the Sun is partly covered when the Moon passes in front of it.

Answer 31

partial solar eclipse

Question 32

it. In a _____________, the Moon completely covers the Sun.

Answer 32

total solar eclipse

Question 33

In an ______________, the Moon does not completely cover the Sun but leaves the edge of the Sun showing.

Answer 33

annular solar eclipse

Question 34

made accurate measurements and observations of the position of stars, sun, moon, and the planets even before the invention of telescope.

Answer 34

Tycho Brahe

Question 35

His innovations and extensive collection of data in observational astronomy was obtained by his student ___________ when he died.

Answer 35

Tycho Brahe, Johannes Kepler

Question 36

Using these observations,_______________ found that the orbits of the planets followed three laws.

Answer 36

Johannes Kepler

Question 37

He formulated the three laws of planetary motion based on the data gathered by____________.

Answer 37

Johannes Kepler

Question 38

Kepler eventually used the data gathered by Brahe to prove _________________ and to calculate the _______.

Answer 38

heliocentrism, orbital laws

Question 39

Kepler also noticed an an imaginary line is drawn from a planet to the sun swept out equal area of space in equal time, regardless of the position of the planet from its orbit. He explained that the planet moves faster when it is near the sun and slower when it is far from the sun. this observation led him to formulate his second law of planetary motion which he called ___________

Answer 39

Law Of Equal Areas.

Question 40

He also observed that the orbits of the planets are ellipse with the sun at one focus thus formulating his first law of planetary motion, the _________________________

Answer 40

Law Of Ellipses.

Question 41

He showed that there is a precise mathematical relationship between a planet’s distance from the sun and the amount of time it takes to revolve around the sun.

Answer 41

Keplers third law

Question 42

ACTION OF CHANGING LOCATION OR POSITION.

Answer 42

Motion

Question 43

the motion of a projectile which is the result of the tendency of any object in motion, to remain in motion at constant velocity.

Answer 43

HORIZONTAL MOTION

Question 44

Is referred as the movement of the object against the gravitational pull. It can also be a straight upward and downward motion.

Answer 44

VERTICAL MOTION i

Question 45

Is a form of motion experienced by an object or particle that is projected near the Earth’s surface and moves along a curved path under the action of gravity only.

Answer 45

PROJECTILE MOTION

Question 46

Vertical motion is referred to as ______________. Galileo or Aristotle or answer

Answer 46

ARISTOTLE, NATURAL MOTION

Question 47

the object will move and will return to its natural state based on the object's material or composition - earth, water, air, and fire.

Answer 47

ARISTOTLE, natural motion,

Question 48

An object moving in a violent motion require _________ to maintain horizontal motion.

Answer 48

s push or pull

Question 49

Motion continues only so long as there is an applied force to an object. WHEN THE FORCE IS __________, MOTION STOPS.

Answer 49

ARISTOTLE, REMOVED

Question 50

believed that the projectile motion of an object is______ until it is the object's time to fall back into the ground.

Answer 50

ARISTOTLE, parallel to the ground

Question 51

He said that HEAVY OBJECTS FALL FASTER THAN LIGHT ONES

Answer 51

ARISTOTLE

Question 52

In the absence of resistance, objects would fall not depending on their weight, but in the time of fall.

Answer 52

Vertical Motion, Galileo

Question 53

Also, if the object encountered a resistive force from a fluid equal or greater than its weight, it will slow down and reaches a uniform motion until it reaches the bottom and stops.

Answer 53

Galileo

Question 54

object in motion, if not obstructed or hindered, will continue to be in motion, and an external force is not necessary to maintain the motion.

Answer 54

Galileo,

Question 55

If the Earth’s the surface is very flat and extended infinitely, objects that are pushed will not be hindered. Thus, the objects will continue to move.

Answer 55

Galileo

Question 56

for quantifying the “rate of fall” by measurement of distance and time and plotting it graphically.

Answer 56

Galileo

Question 57

performed experiments on uniformly accelerated motion using an inclined plane, and used the same apparatus to study projectile motion.

Answer 57

Galileo

Question 58

Galileo was able to determine that the path of a the projectile is ___________.

Answer 58

Galileo, parabolic

Question 59

He believed that a projectile is a combination of uniform motion in the horizontal direction and uniformly accelerated motion in the vertical direction. If it is not hindered, it will continue to move even without an applied force.

Answer 59

Galileo

Question 60

Which is an example of motion with uniform acceleration.

Answer 60

FREE FALL

Question 61

Which means the change in velocity with a given time.

Answer 61

ACCELERATION

Question 62

Which is the distance travelled of an object in a specific amount of time.

Answer 62

SPEED

Question 63

____________ was an Ancient Greek philosopher who thought that ___________objects fall faster than__________________

Answer 63

Aristotle, heavier and lighter ones.

Question 64

Force would be needed to have a constant velocity according to _________ . _________ is required for violent but not natural motion.

Answer 64

Force, Aristotle

Question 65

Objects in a ____________ will fall at the ________ because in a vacuum there is nothing. Since there is no air or anything in space, objects that are heavy or light, will fall at the same time.

Answer 65

Galileo, vacuum, same time

Question 66

_____________ is not necessarily required for violent motion. Force is not required for object moving at constant velocity.

Answer 66

Force, Galileo

Question 67

Freely falling bodies undergo constant acceleration in which it is referred to as ____________ The free fall acceleration represent a symbol "___" which means _____________.

Answer 67

free fall, g, gravity

Question 68

leads the object to accelerate in a constant rate.

Answer 68

Gravity

Question 69

At the surface of the earth, gravity (g) is approximately ____________

Answer 69

9.8 m/s2.

Question 70

Natural state of object at rest

Answer 70

ARISTOTLE

Question 71

Imagined motion will continue without friction

Answer 71

Galileo

Question 72

constant in value which represent by x axis rolling balls inertia leaning tower of Pisa

Answer 72

HORIZONTAL

Question 73

changing value which represent by y axis free fall Aristotle versus Galileo

Answer 73

VERTICAL

Question 74

In his book “ _________”, wrote his ideas on forces and motions based on _______ work.

Answer 74

ISAAC NEWTON’S, PRINCIPIA, Galileo’s

Question 75

_________ is the tendency of an object to resist change when in motion or when at rest. Newton’s first law of motion is also called ____________________________

Answer 75

Inertia, LAW OF INERTIA.

Question 76

➢ If an object is moving, inertia will keep it in ______. When it is at rest, it will continue to be at _________, unless there is a force applied on it.

Answer 76

motion, rest

Question 77

an object will stay in place unless something or somebody moves it.

Answer 77

INERTIA OF REST-

Question 78

______________- an object will continue at the same speed until a force acts on it.

Answer 78

INERTIA OF MOTION

Question 79

__________ - an object will stay moving in the same direction unless a force acts on it.

Answer 79

INERTIA OF DIRECTION

Question 80

According to Galileo, objects in motion eventually stop because of a force called ________.

Answer 80

FRICTION

Question 81

____________________is a the force that opposes motion between any surfaces that are touching.

Answer 81

FRICTION

Question 82

He said that a difference between initial and final heights was due to the presence of _________.

Answer 82

Galileo, friction

Question 83

is the amount of matter or substance that makes up an object. It is measured in units called ______________.

Answer 83

MASS, kilogram

Question 84

An object with a greater mass has a _____________ and an object with a lesser mass will also have a __________________

Answer 84

greater inertia, lesser inertia.

Question 85

An object’s tendency to resist change in its motion depends on its __________.

Answer 85

mass

Question 86

A ________________causes an object to move, to stop or remain at rest.

Answer 86

force

Question 87

is defined as a push or a pull.

Answer 87

Force

Question 88

__________ is the unit of force

Answer 88

Newton (N)

Question 89

is a force that opposes motion between any surfaces that are touching.

Answer 89

➢Friction

Question 90

➢_________ occurs because no surface is perfectly smooth.

Answer 90

Friction

Question 91

➢______________ have more friction than smooth surfaces.

Answer 91

Rough surfaces

Question 92

also have more friction because they are pressed harder with greater force than lighter objects.

Answer 92

Heavier objects

Question 93

➢Friction produces ____ because it causes the molecules on rubbing surfaces to move faster and have more energy.

Answer 93

heat

Question 94

is a force in which the net force is equal to zero.

Answer 94

balanced force

Question 95

the total combination of forces (in opposite direction or the same direction) acting on an object.

Answer 95

NET FORCE

Question 96

upward

Answer 96

NORMAL FORCE

Question 97

downward.

Answer 97

GRAVITATIONAL FORCE

Question 98

is a force in which the net force is greater than zero.

Answer 98

unbalanced force

Question 99

cause acceleration. Only unbalanced force can change the motion and direction of an object.

Answer 99

unbalanced force

Question 100

an object will stay in place unless something or somebody moves it.

Answer 100

INERTIA OF REST-

Question 101

An object will continue at the same speed until a force acts on it.

Answer 101

INERTIA OF MOTION-

Question 102

An object will stay moving in the same direction unless a force acts on it.

Answer 102

INERTIA OF DIRECTION-