Science Test Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Is lighting a match a chemical or physical change? | Chemical change
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| What are some examples of chemical changes? | A piece of metal rusting, wood burning, or a batter being baked
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| What is a chemical reaction? | A release of energy as a result of two or more chemicals mixing together
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| What are some examples of physical change? | Clay being molded into a shape, ice being melted, or a piece of paper being ripped in half
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| What is a physical change? | A change in a chemical's state of matter or shape
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| What is a chemical change? | A change in a chemical's identity and/or properties
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| What subatomic particle is responsible for chemical reactions? | Electrons
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| What is a mixture? | A substance made up of two or more chemicals being mixed together
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| Is a car being dented a chemical or physical change? | Physical
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| What are some ways that Styrofoam can undergo chemical changes? | Burning it or putting acetone on it
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| What are some ways that Styrofoam can undergo physical changes? | Ripping it, carving it, or smashing it
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| Is food being digested a chemical or physical change? | Chemical
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| What kind of change is baking a batter (of some sort)? | Chemical
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| What are some signs of a chemical reaction? | Production of gas, color change, a precipitate is formed, light is produced, and/or heat is produced
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| Melting ice is a chemical change (True or False). | False
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| Is saltwater a mixture (it's salt and water)? | Yes
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| How is burning a book a chemical change? | It changes the book's properties and it's chemical identity
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| Is putting water through electrolysis a chemical change? | Yes
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| What kind of change is boiling water and why? | Physical, the state of matter has been changed from liquid to gas
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| What is Andy N's real name? | Jartin
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
lcook111
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