Physical and Chemical Properties & Changes

Matching Match each definition to the correct term. A change that occurs when one or more substances change into entirely new substances with different properties. Chemical Change Characteristic that cannot be observed without altering the substance Chemical Properties A change of matter from one form to another without a change in chemical properties Physical Change The characteristics of a substance that can be observed or measured without changing the substance Physical Properties The elements or compounds produced by a chemical reaction. Products The elements or compounds that enter into a chemical reaction. Reactants Changes of Matter: StudyJams! Science Watch this video to learn more about Physical Chemical Changes Changes of Matter Determine if the changes listed below are Chemical or Physical. Physical Change: the appearance of a substance changes, but chemically the substance is the same.Chemical Change: a chemical reaction takes place, and the substances produced (reactants) are different from the original substances (product). Physical Changes Erosion of a riverbed by water Carving a statue out of water Ice cream melting Sanding a piece of wood Chocolate melting Chemical Changes Baking a cake A flashbulb flashes Cooking waffles A red mark appears after a bee sting Leaves changing color Fireworks exploding Vinegar is mixed with baking soda Lighting a match Changes in Matter Complete the following table. Describe changes in properties that you might notice during each process and state whether the changes are chemical or physical. Event Observable Changes Type of Change Baking a cake texture, heat, color Chemical Burning a log heat, light chemical Freezing water state change physical Fill in the blanks with the term that best completes each sentence. 1. The smallest particle of an element is a(n) atom.2. Evaporation is the process by which water changes from a liquid to a gas3. Deposition is the phase transition in which gas transforms into solid without passing through the liquid phase.4. A chemical change is also referred to as a(n) chemical reaction.5. Sublimation is the conversion between the solid and the gaseous phases of matter.6. Salt increases the boiling temperature.7. A(n) chemical bond is formed or broken apart during a chemical reaction.8. At sea level, pure water boils at 100°C.9. A(n) element is the simplest type of substance and cannot be broken down into any other substances.10. Zero Kelvin is defined as the absolute zero, the lowest possible temperature. Properties of Matter Watch this video to learn more about Physical and Chemical Properties.