physical and chemical changes worksheet answers pdf
Understanding alterations in matter is crucial; this involves differentiating between physical transformations—altering form, not composition—and chemical changes, creating new substances. What are Physical Changes? Physical changes affect the form or appearance of a substance, but don’t alter its chemical composition. Think of water freezing into ice or boiling into steam – it’s still H₂O! These changes are often reversible; you can melt ice back into water. Examples include crushing a can, dissolving sugar in water (the sugar is still sugar, just dispersed), and tearin
