Chemical and Physical Change

Match it! Select the correct answer from the pull down...Good luck!

You mix salt and water until all the salt dissolves. You then boil the water until it completely evaporates and only the salt is left behind. Is this a chemical or physical change

Is adding food coloring to water a chemical or physical change

Which of the following does NOT identify the formation of a new substance?

You mix baking soda and vinegar together and observe bubbling and fizzing. What can be determined based on this observation?

Are fireworks exploding a chemical or physical change

A teacher heats sugar over a flame. Which of the following below is evidence that the chemical properties of the sugar changed?

You blow up a balloon and pop it with a pin. Is this a chemical or physical change?

what occurs during a chemical change?