Physical Changes vs. Chemical Changes

Before You Read Complete the following questions BEFORE YOU READ Physical Changes vs. Chemical Changes. Physical Change vs. Chemical Change Sort the following sentences by whether they would be classified as a physical change or a chemical change. Physical Change Water boils on a stove. Frost forms on a pumpkin. Chemical Change An old penny, lost in the grass, turns green. Fireworks explode in the night sky. An old Jack-O-Lantern begins to rot. True or False Sort the following statements by whether they are true or false. True The way atoms are fastened together changes during a chemical change. Atoms and molecules are both particles. False Chemical changes happen only in things that are alive. Physical changes happen only in things that are NOT alive. If a material changes color, it is proof that a chemical change is happening. Meet Google Drive – One place for all your files Read the article linked above to learn about physical changes and chemical changes. Physical Changes vs. Chemical Changes During Reading:Answer the question below when instructed to do so by your teacher.When a candle burns, a chemical changes is happening. What could you do to a candle that would cause aphysical change? After Reading Complete the following questions AFTER READINGPhysical Changes vs. Chemical Changes. Which is the best sign that a chemical change is happening? bubbles flames heat sound Select the two things below that are considered chemical changes. clouds forming a tomato rotting plants making food What kind of change or changes are happening when water goes over a waterfall? Only a physical change Only a chemical change Both a physical and chemical change Neither a physical or chemical change Write a word in each blank to complete the sentences. chemical water atoms physical Use the words atoms and molecules to explain what happens when a new material is formed during a chemical change. Describe a change you could see that could be either a chemical change or a physical change.