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Worksheetsgrade 4 , con 6 , lesson 3
Total questions: 10
Worksheet time: 5mins
When the speed of a moving object increases, the energy that transfers during its collision will.............
increase.
decrease.
not change.
equal zero.
A fast-moving object has............ that of a slow-moving object.
the same energy as
more energy than
less energy than
no energy as
The two factors affecting the kinetic energy of an object are...........
its speed and the color.
its mass and the color.
its speed and the mass.
its light and the sound energies.
As the mass of a vehicle increases, it needs ..............to................
less force - less potential energy.
more force - more potential energy.
less force - less kinetic energy.
more force - more kinetic energy.
When two objects of the same mass move with the same speed collide with each other, the resulted damage...........
is larger in one of them and smaller in the other.
is equal in both of the two objects.
doesn't depend on the mass of the two objects.
doesn't depend on the speed of the two objects.
On collision, energy is........ ......
created.
destroyed.
created and transferred.
transferred and change.
When car and truck collide with each other in opposite directions,............
the car has more energy and cause more damage.
the truck has more energy and cause more damage.
the car has less energy and cause more damage.
the truck has less energy and cause less damage.
All the following factors affect the kinetic energy of a moving car, except...........
the mass of the car.
the pushing force of the car engine.
the airbags inside the car.
the inclination of the road on which the car moves.
The mass of an object...............
doesn't affect its potential energy or its kinetic energy.
affects its potential energy and its kinetic energy.
affects its potential energy only.
affects its kinetic energy only.
During collision between two objects there is no change of energy occur
true
false
