science
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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| 1.A physical change is a change in of matter. | state
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| 2.A chemical change is when | one or more new substances are formedwith new properties.The atoms change and a new substance is formed.
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| 3.List physical properties of water. | It is clear wet and a liquid
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| 4.An example of a chemical property is | a firework
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| 5.The Statue of Liberty turning green is an example of a change. | chemical
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| 6.Water changing from a liquid to a solid is an example of change. | physical
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| Pennies coroding chemical or physical change? | chemical
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| Paper tearing chemical or physical change? | physical
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| Burning fossil fuels chemical or physical change? | chemical
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| Glass breaking chemical or physical? | physical
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| Mixing chalk and vinegar chemical or physical change? | chemical
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| Dry ice interacting with the air chemical or physical? | physical
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| Slice of an apple interacting with air chemical or physical change? | chemical
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| Ice in room temperature chemical or physical change? | physical
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| Steel woolinteracting with air chemical or physical change? | chemical
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| Candle burning chemical or physical change? | wick chemical wax physical
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| Alka seltzer interacting with vinegar chemical or physical change? | chemical
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| Iron rusting chemical or physical change? | chemical
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| 7.What is oxidation? | is a reaction to oxygen
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| 8.What is sublimation? | is something going directly from a solid to a gas
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| 9.Draw what the molecules of a solid look like. | Draw 100 cicrles close together
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| 10.Draw what the molecules of a liquid look like. | Draw 50 circles kinda spread apart
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| 11.Draw what the molecules of a gas look like. | Draw 5 circles really spread apart
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| 12.Draw what the molecules of a plasma look like. | Draw 2 circles super mondo spread apart
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| 13.Write down a state of matter and an example. | Solid,steel
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| 14.Write down a state of matter and an example. | Liquid,water
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| 15.Write down a state of matter and an example. | Gas,oxygen
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| 16.Write down a state of matter and an example. | Plasma,star
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| 17.True or False atoms are made of protons,nuetrons, and electrons? | True
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| 18.True or False during a physical change, a new substance is formed? | False
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| 19.True or False liquid changing into a gas is condensation? | False
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| 20.True or False burning an object is a type of chemical change? | True
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| 21.True or False Gas changing into a liquid is precipitation ? | True
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| 22. True or False heat being created is evidence of a physical change? | False
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| 23. True or False molecules are made of two or more atoms bonded together? | True
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| 24. True or False digestion is a type of physical change? | True
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| 25. True or False in a chemical change, something brand new is created? | True
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| 26.Draw and label an atom of oxygen | Draw 8 protons,8 neutrons,and 8 electrons
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| 27.Draw and label an atom of carbon | Draw 6 protons,6 neutrons,and 6 electrons
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| 28.Explain how a chemical change and a physical change are different. Give examples of each in your explanation. | A chemical change is something you can not change back like the Statue of Liberty rusting. A physical change is when you just change the state of matter, like ice melting into water and water freezing to ice.
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