LET'S PRACTICE (Answer on the separate sheets provided) Let us try working on these activities to further educate ourselves on the PHYSICAL AND CHEMICAL PROPERTIES OF SUBSTANCES: ACTIVITY 1: COMPLETE ME! Fill in the blanks with the correct descriptions below to complete the paragraph are properties that describe how a substance interacts with other substances the temperature at which a liquid turns to a solid - are properties that can be observed without chemically changing a substance the temperature at which a solid turns to a liquid a solid turns directly into a gas without turning to a liquid first - the temperature at which gases turn to liquids - the temperature at which a liquid turns to gas Physical properties Chemical properties, on the other hand, These changes can be either physical or chemical change. Freezing point is Melting point is The boiling point is whereas condensation point is Occasionally, and this is called sublimation. These are all properties of substances.​