Physics for IGCSE & O level - Thermal Effects (Section 1 - No. 35)
Which of the following explains why solids have a definite shape and volume?
Particles are tightly packed and held together by strong forces
Particles are able to move around
Particles do not have enough energy to move
Solids don't have particles
解释
Solids have a definite shape and volume because particles are tightly packed.