Burning a match stick is an example of a.
Burning a match stick is an example of a.
Change in pressure | |
Change in colour | |
Physical change | |
Chemical change |
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Warm air rises because of
Warm air rises because of
Light | |
Radiation | |
Conduction | |
Convection |
Our neighbouring galaxy is named as.
Our neighbouring galaxy is named as.
Cepheus | |
Andromeda | |
Taurus | |
Canis Major |
Water freezes at.
Water freezes at.
1 oC | |
10 oC | |
-10 oC | |
0 oC |
We see a mirage due to the.
We see a mirage due to the.
Refraction and total internal reflection of light | |
Dispersion of light | |
Reflection of light | |
Refraction of light |
Atomic mass of deuterium is
Atomic mass of deuterium is
2 | |
3 | |
5 | |
4 |
When a ray of light enters from a denser medium to a rare medium, it bends.
When a ray of light enters from a denser medium to a rare medium, it bends.
Toward the normal | |
Always from the normal | |
In any direction | |
Along the normal |
Water exists in physical states of matter.
Water exists in physical states of matter.
Two | |
Three | |
Five | |
Four |
It bring change in the population of a habitat.
It bring change in the population of a habitat.
Temperature | |
Migration | |
Water | |
Light |
Kinds of pollination are.
Kinds of pollination are.
Two | |
Five | |
Three | |
Four |
When we sit in the sun we are heated by.
When we sit in the sun we are heated by.
Radiation | |
Conduction | |
Convection | |
Convection current |
Rainforests are always.
Rainforests are always.
Cold | |
Hot | |
Wet | |
Dry |
Major sources of water pollution are.
Major sources of water pollution are.
Three | |
Two | |
Four | |
Five |
When light passes from transparent medium to another , it change its.
When light passes from transparent medium to another , it change its.
Speed | |
Direction | |
Speed of direction | |
Speed and directions |
Each carpel has
Each carpel has
Five parts | |
Three parts | |
Two parts | |
Four parts |
Size of our heart is about
Size of our heart is about
Our first | |
Our thumb | |
Our hand | |
Our finger |
It is process which changes vegetables oil into solid fat.
It is process which changes vegetables oil into solid fat.
Hydrogenation | |
Fertilizers | |
Recycling | |
Hydrocarbons |
The series circult, path for the flow of current is.
The series circult, path for the flow of current is.
Two | |
Three | |
Four | |
One |
The last stage in the life of a low mass star is.
The last stage in the life of a low mass star is.
Red giant | |
White dwarf | |
Black dwarf | |
Block Hole |
The Sun is a
The Sun is a
White star | |
Red star | |
Blue Star | |
Yellow star |