Changes in Matter Review

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

Ammonium nitrate solid dissolves in water and feels very cold. Is this a physical or chemical change?

Maria and Miquel were enjoying the fireworks when they got into a chemistry argument. Maria insisted that the fireworks were the result of a chemical reaction. Miguel disagreed. What would you tell them to solve this argument?

You have a sample of an unknown substance. If you added MORE of the substance to that sample, which of the following would change?

A translucent, blue copper (II) sulfate solution is mixed with another solution and changes to a translucent lighter blue color. Is this a physical or chemical change?

The freezing point of water is a ...

glass shattering in to pieces... bubblegum being stretched... a piece of metal expanding due to heat...These are all examples of

A pot of water is being heated on a stove. Bubbles form and condensation appears on the lid of the pot. Is this a physical or chemical change?

A scoop of baking soda is added to a beaker containing vinegar. The baking soda disappears and bubbles are observed. This is an example of a _____________ change.