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WorksheetsFriction, Gravity, Energy, Simple Machines
Total questions: 29
Worksheet time: 16mins
It is the force that one surface exerts on another when two rub against each other.
Energy
Friction
Gravity
Simple Machines
It is a force that acts between any two objects.
Energy
Friction
Gravity
Simple Machines
What are the three classifications of friction?
Friction works against the direction of an object's motion.
True
False
There is greater friction on a wet floor than on a dry one.
True
False
Which of the following situation is an example of a sliding friction?
The boy pushes a box full of toys from the his room to the living room.
The girl slides on a playground slide.
The ball rolled by Ann stops midway.
The man pushes the big cabinet.
Which of the following situation is an example of a static friction?
The man pushes the big cabinet to move on the other side of the room.
The girl slides in a playground slide.
The boy rolled a toy ball and stops midway.
The lady rubs her hands because she felt cold.
What is the direction of the force that the Earth exerts on you?
upward
downward
to the left
to the right
Which of the following is NOT true about gravity?
Gravity is a force.
Gravity depends on the size of objects.
Gravity is the same as the value of an object's mass.
Gravity is the same whether objects are near or far from each other.
Which situation proves that there is gravity?
a plant sways as the wind blows
a balloon falls down to the ground
a sailboat moves through the stream
a car stops as the driver hits the brake
Gravity increases as the distance between two object increases.
True
False
Weight of an object stays the same from one place to another.
True
False
What are the six forms of energy?
It is the energy of the movement or the position of an object.
Chemical Energy
Nuclear Energy
Mechanical Energy
Thermal Energy
Which of the following is NOT an example of Mechanical energy?
Moving water
A car moving on a highway
Hitting a ball
Fruits eaten
It is the internal energy in substances.
Mechanical Energy
Chemical Energy
Thermal Energy
Radiant Energy
What energy is stored in the food that we eat?
Mechanical Energy
Chemical Energy
Electrical Energy
Nuclear Energy
What is an example of a Radiant energy?
Car Battery
Nuclear Fission
Electromagnetic Spectrum
Heater
Which of the following does not need Electrical energy to function?
Rice cooker
Light Bulb
Calculator
Aircon
Give the energy transformation of lighting a match.
Give the energy transformation of a toaster.
Give the energy transformation of flashlight with battery.
Give two alternative sources of energy (meaning, sources of energy other than fossil fuels).
What are the six types of simple machines?
Which of the following is an example of a wedge?
Bike
Gear wheel
Nuts and Bolts
Knife
Which of the following is an example of a First-class lever (E-F-R)?
Seesaw
Wheelbarrow
Water pump
Broom
Which of the following is an example of a Third-class lever?
Claw hammer
Nutcracker
Bottle opener
Shovel
What kind of pulley is used by a flagpole?
Fixed pulley
Movable pulley
Compound pulley
Block and tackle pulley
Which of the following is NOT an example of a screw?
Drill bits
Nail
Monkey wrench
Propellers
