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