The airbag is made of ........................
carton
nylon
rubber
Kinetic energy is not affected by the ..........
mass
color
The car needs ..........to move.
water
fuel
Ancient people use ......... as a form of fuel before discovering gasoline.
wood
wind
When you turn on a light bulb, the electrical energy travels through .......... until reaching the bulb.
wires
plastic
When a piece of coal is burnt .......... energy is produced.
potential
thermal
Coal is a type of fuel, which is used in all the following purposes except ...........
operating T.V
warming houses
When the car fuel completely runs out, then the car's ...... becomes zero.
speed
As energy transforms from one form to another, some of it is often lost as:
sound
light
heat
Curiosity rover is designed to explore .........
Mars planet
The moon
The produced ...... energy doesn't help the blender do its job
kinetic
All the following are found deeply under the Earth ́s surface, except...........
green plants
natural gas
coal
..............is considered as the main resource of energy on the Erath ́s surface.
Gasoline
Natural gas
The Sun
The airbag helps to ..........
Increase the speed of the person's movement backwards.
Reduce the speed of a person’s movement forward.
Increase the speed of a person’s movement forward.
To keep playing with the toy car we have to ..............the batteries.
replacing
When you use the hand ball, the ....energy changed into sound energy
electrical
All the following are found deeply under earth's surface except ......
green plant
Electric wires are made of .............
copper
In a battery of a toy car ........... energy changes into electrical energy.
chemical
Both hair dryer and electric water kettle produce ...........energy.