Physical vs. Chemical Changes

Master physical vs. chemical changes! Interactive 6th-grade science worksheet.

Match the following terms to the correct definition. Physical Change a change in shape, size, or state of matter of a substance; it can be undone Evidence signs or indications of something happening Chemical Change a change to a substance that results in a new substance being formed; it cannot be undone Formation the act of being made or formed Precipitate a solid that forms in a liquid during a chemical reaction Composition the makeup or structure of something Which of the following is a sign that a chemical reaction has occurred? change in shape formation of a gas melting dissolving Which of the following is NOT an example of a physical change? crumpled paper shrunken clothes pencil sharpening sour milk When Magnesium burns it becomes Magnesium Oxide. This is a _ change. Physical Chemical Jayden asked Gabe what she could do to an egg for a chemical change. Gabe answered correctly and said... cook the egg crack the egg paint the egg drop the egg In this picture, two liquids where added together. When they mixed, a solid was formed. This is an example of a chemical change. What evidence is shown? Temperature change Formation of a precipitate Odor given off Change in state of matter Sort the items into physical and chemical changes. Physical Change Hair cut Making Kool-Aid Painting your nails Melting Ice Crushed Can Chemical Change Fireworks Rusting car Baking a cake Baking Soda and Vinegar Mixture Toast A group of students conducted an experiment to identify physical and chemical changes using paper. Their observations are shown in the table above. Which student is correct? Student 1 Student 2 Student 3 Student 4 Which of the following is an example of a chemical change? Filling up a balloon with hot air. Taking a glass of water and freezing it by placing it in the freezer. A plant collecting sunlight and turning it into food. Your dog ripping up your homework Sulfur (S) reacts with oxygen (O) to form a gas known as sulfur dioxide (SO2). Which of the followingbest describes the properties of this gas? it has unique properties different from sulfur or oxygen it onlyhas the same properties as oxygen it onlyhas the same propertiesas sulfur it has no physical properties