Which statement best describe the process of melting?, A liquid changes into a gas due to heating., A solid changes into liquid because it gains heat energy., A gas changes into a liquid because it loses heat., A liquid changes into a solid because it loses heat., During melting, what happens to the particles of a solid, They stop moving completely., They move closer together and become heavier., They gain energy, move faster, and slide past one another., They disappear and form a new subtance., Which of the following is a physical change caused by melting?, Burning a piece of paper., Rusting of iron., Ice changing into liquid water., Cooking an egg., Why melting considered a physical change?, A new substance is formed after heating., Only state of matter changes while the substance remains the same., The particles are destroyed during melting., The substance changes its chemical composition., A chocolate bar was left inside the parked car on a hot day and became soft and liquid. Which statement correctly explains what happened?, The chocolate changed into a different substance., The chocolate absorbed heat, causing it to melt from a solid into a liquid., The chocolate evaporated because of the heat., The chocolate froze because the temperature increased.

MELTING

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？