- Question: What is the space present between particles of matter called?
Answer: Interparticle space
Explanation: Particles of matter have gaps between them, which allow substances to mix and dissolve. - Question: What property of matter allows its particles to move continuously?
Answer: Kinetic energy
Explanation: Particles of matter are always in motion, possessing kinetic energy that increases with temperature. - Question: What is the process of mixing of particles of two substances on their own called?
Answer: Diffusion
Explanation: Diffusion is the spontaneous intermixing of particles of different substances due to their continuous motion. - Question: What happens to the speed of particles when temperature increases?
Answer: Increases
Explanation: Higher temperatures provide more energy to the particles, increasing their speed and movement. - Question: Which state of matter has the strongest force of attraction between particles?
Answer: Solid
Explanation: In solids, particles are closely packed and held together by strong intermolecular forces. - Question: What happens to the movement of particles when a substance is heated?
Answer: Increases
Explanation: When heated, particles gain energy and move faster, increasing diffusion and expansion. - Question: What is the tendency of matter to spread out due to the movement of its particles?
Answer: Expansion
Explanation: Due to the motion of particles, matter expands when heated, occupying more space. - Question: What is the force that holds particles of matter together?
Answer: Intermolecular force
Explanation: Intermolecular forces keep particles close to each other, with strength varying in different states of matter. - Question: What is the ability of gases to spread and occupy the entire container?
Answer: Fluidity
Explanation: Gases and liquids have fluidity, allowing them to flow and take the shape of their container. - Question: What is the process of a solid turning into a liquid due to heat?
Answer: Melting
Explanation: When heat energy is applied to a solid, its particles gain energy and move apart, leading to melting.
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