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Chemical and Physical Changes
Quiz by Todd Lichtenwalter
Track each student's skills and progress in your Mastery dashboards
​Amanda wants to make a cake. She measures sugar, eggs, oil, flour, and flavorings. She mixes the ingredients together with a whisk. She pours the ingredients into a pan and bakes them. When the cake is baked, she frosts the cake. Question: Which part of making a cake is a chemical change?
Adding eggs because the eggs change shape when they are cracked.
Baking the mixed ingredients because the ingredients change into a different substance.
Putting frosting on the baked cake because frosting changes how the cake looks.
Mixing ingredients with a whisk, because the mixed ingredients form a thick liquid.
​Look at the image of a melting popsicle. Question: Which of the following best explains what happens when a popsicle melts?
It is a physical change because it can be easily reversed.
It is a physical change because a new substance was made.
It was a chemical change because it cannot be easily reversed.
It is a chemical change because the properties of the popsicle changed.
Amanda wants to make a cake. She measures sugar, eggs, oil, flour, and flavorings. She mixes the ingredients together with a whisk. She pours the ingredients into a pan and bakes them. When the cake is baked, she frosts the cake. Question: Which part of making a cake is a chemical change?
Look at the image of a melting popsicle. Question: Which of the following best explains what happens when a popsicle melts?
What is the difference between a chemical change and a physical change?
Look at the image showing how to make fruit punch. Question: When you make a pitcher of fruit punch from a powdered packet of drink mix, the water changes color. Is this a physical or chemical change? Explain why.
Describe four different pieces of evidence that indicate a chemical change has occurred.
Read each of the statements describing a change:Â Using a magnet to remove iron shavings from a mixture of sand and iron 2. Melting sugar 3. Lighting fireworks and then seeing the colors and hearing the sound pops as they go off 4. Cutting a piece of paper into smaller pieces 5. Burning firewood in a campfire ....Question: Which of these examples describe physical changes?
