Common-Core/ Grade 5
Science MCQ Based On Changes of state and heating cooling
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Common-Core Grade 5 - 5 Changes of state and heating cooling
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In all three states, the particles are constantly bouncing off each other.
The particles in a solid are always vibrating, but they cannot move past each other.
Thermal energy is the energy an object has because of the movement of the molecules and heat can be transfered from one object to another.
Heat energy is also called thermal energy.
On heating the particles in solid starts to separate from each other
Cooling a liquid decreases the thermal energy and on further cooling liquid starts to loose its thermal energy and changes its state from liquid to solid.
During heating, thermal energy increases and the particles move faster. During cooling,thermal energy decreases and the particles move slower.
Everything is made of matter around us
The phase changes from gas to liquid to form tiny droplets.
Heating a liquid increases its thermal energy and on further heating, the liquid gets enough thermal energy to change its state from liquid to gas.
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