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Worksheets3rd Qtr Reviewer
Total questions: 35
Worksheet time: 23mins
What class of lever is a seesaw?
1st class lever
2nd class lever
3rd class lever
What is an example of potential energy?
Mechanical
Sound
Gravitational
What scenario below best describes how force can change the shape of an object?
A beautiful flower
Molding clay
Smell of the perfume
What kind of force have poles?
Magnetic Force
Electrical Force
Gravitational Force
What kind of force have charges (positive and negative)?
Magnetic Force
Electrical Force
Gravitational Force
What is an example of a contact force?
Nuclear Force
Electrical Force
Applied Force
What is the unit of measurement for energy?
Kg x m/s3
Newton
Joules
What is the unit of measurement for force?
Kg x m/s3
Newton
Joules
What is the formula for finding the weight of an object that has an acceleration due to gravity?
F = M x A
W = M x G
D = M x A
What is the acceleration due to gravity on Earth?
9.8 m/s2
1.6 m/s2
25 m/s2
What law of motion best describes the picture?
Law of inertia
Law of F.M.A
Law of Interaction
What is an example of potential energy?
Gravitational energy
Sound energy
Mechanical energy
What law of motion can be described in the picture?
1st law of motion
2nd law of motion
3rd law of motion
What effect of force can best describe the picture?
Force can move an object
Force stop an object
Force can change the shape of an object
What effect of force can best describe the picture?
Force can move an object
Force stop an object
Force can change the shape of an object
The Law of the Gravitational Force states that the more distant the object/matter from the other object or matter, the (a) the gravitational force of attraction.
Which of the following is a 2nd class lever?
F - L - E
E - F - L
L - E - F
TRUE or FALSE.
Energy cannot be created nor destroyed wherein its total amount is the same before and after its evolution.
TRUE
FALSE
NOT SURE
Where in the slide does the egg have the greatest potential energy?
at the top of the slide
at the middle of the slide
at the bottom of the slide near the ground
Where in the slide does the egg have the greatest kinetic energy?
at the top of the slide
at the middle of the slide
at the bottom of the slide near the ground
What kind of simple machine is a bottle opener?
lever
wedge
inclined plane
What kind of simple machine is the slide or ramp?
lever
wedge
inclined plane
TRUE OR FALSE.
The man uses work to change the position of an object.
TRUE
FALSE
NOT SURE
TRUE OF FALSE.
The missile rocket is accelerating 2 m/s2 which has a force of 1 Kilowatt and a mass of 0.5 Kg.
TRUE
FALSE
NOT SURE
TRUE OR FALSE.
According to the 2nd law of motion. As the mass of an object is increased, the acceleration of the object is decreased.
TRUE
FALSE
NOT SURE
Which planet has more gravitational force?
Earth
Venus
Both
TRUE or FALSE.
According to the 1st law of motion, an object at rest will stay at rest, and an object in motion remains in motion unless acted on by an unbalanced force.
TRUE
FALSE
NOT SURE
TRUE or FALSE.
Mina stands at the table. The table is carrying and supporting the body of Mia using the normal force.
TRUE
FALSE
NOT SURE
TRUE or FALSE.
Luris weight on the weighing scale is 40 Kg.
the statement is TRUE
FALSE due to weight instead of mass
NOT SURE
TRUE or FALSE.
Arthritis is an example of bone-to-bone friction due to the degeneration of cartilage and synovial fluid between the affected bones.
TRUE
FALSE
NOT SURE
The elephant weighs 29.4 N and its mass is 3 Kg. Therefore the acceleration due to gravity on Earth is 9.8 m/s2.
Correct using the formula F=Mass x acceleration due to Gravity
the statement is False
Not sure
Which word doesn't belong to the group?
(Keep in mind the compound and simple machine)
BICYCLE
SCISSORS
PULLEY
WHEEL AND BARROW
The rat travels unto the moon, its mass is 15 kg. What is the weight of the rat on the moon?
Use the following ideas: W=MxA ; Moon = 1.6 m/s2
TRUE or FALSE.
The lighted candle produces heat and nuclear energy.
the statement is TRUE
False it should be Light and Heat energy
Not sure
TRUE or FALSE.
Food becomes our source of energy through the following transformation of energies:
SUN(light and heat) --> PLANTS/FRUITS/VEGETABLE(chemical) --> HUMAN DOING WORK (kinetic and heat)
the statement is TRUE
False the human will produce electric and kinetic energy
Not sure
