Changes in materials are going on around us.
Changes in materials are going on around us.
For few hours | |
For few minutes | |
For few days | |
All the time |
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The process of digestion starts form:
The process of digestion starts form:
Anus | |
Tongue | |
Mouth | |
Stomach |
The place where digested food is absorbed:
The place where digested food is absorbed:
small intestine | |
mouth | |
large intestine | |
stomach |
A sound wave is a.
A sound wave is a.
Sometimes reverse and sometime longitudinal | |
Transvers wave | |
Standing wave | |
Longitudinal wave |
It is closest star in our galaxy.
It is closest star in our galaxy.
Sun | |
Proxima | |
Beta lgeuse | |
Centauri |
Rusting of iron in an examples of a.
Rusting of iron in an examples of a.
Reversible change | |
Change in temperature | |
Physical change | |
Chemical change |
Freezing of water is an example of a.
Freezing of water is an example of a.
Chemical change | |
Physical change | |
Change in pressure | |
Change in colour |
The coolest star have the temperature.
The coolest star have the temperature.
2700oC | |
26000oC | |
2800oC | |
2600 oC |
The first shell is
The first shell is
N | |
L | |
K | |
M |
Heat is a form of
Heat is a form of
Energy | |
Light | |
Water | |
Power |
Which of the Insulator?
Which of the Insulator?
Aluminium | |
Iron | |
Glass | |
Copper |
Air is moistened, filtered, and warmed in the:
Air is moistened, filtered, and warmed in the:
mouth | |
oesophagus | |
stomach | |
nose |
Kinetic Energy is the energy of any matter in
Kinetic Energy is the energy of any matter in
Slow motion | |
Rest | |
Heating | |
Motion |
Bacteria and fungi are.
Bacteria and fungi are.
Decomposers | |
Grazers | |
Predators | |
Producers |
Objective that vibrate slowly have pitch that is.
Objective that vibrate slowly have pitch that is.
Low | |
Loud | |
High | |
Soft |
In help us to distinguish a soft sound from a loud sound of the same frequency.
In help us to distinguish a soft sound from a loud sound of the same frequency.
Quality | |
Pitch | |
Intensity | |
Loudness |
Isotopes are found because atoms of the same element can have different number of.
Isotopes are found because atoms of the same element can have different number of.
Neutrons | |
Electron | |
Protons | |
None of the above |
The compared to liquids and gases heat transmission in solids is
The compared to liquids and gases heat transmission in solids is
Normal | |
Faster | |
Slower | |
Different |
Grassland areas receive amount of rain.
Grassland areas receive amount of rain.
A heavy | |
A maximum | |
A less | |
A medium |
Except it all liquide are bad conductors of heat
Except it all liquide are bad conductors of heat
Water | |
Mercury | |
Tea | |
Milk |