Chemical and Physical Changes

Chemical and Physical Changes 

compare physical and chemical changes. 

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  1. 00:02:53 

    What is matter? 

    • solids, liquids, and gas

       

    • takes up space, takes up money, and you can name it.

       

    • anything that takes up space, has mass, and has properties you can observe and describe.

       
    • makes up space, has mass, and has properties you can observe and make inferences on.  

  2. 00:03:16 

    What is matter made up of? 

    • elements

       

    • molecules

       
    • space 
    • mass 

  3. 00:03:26 

    The building blocks are called? 

    • Mass

       

    • Molecules

       
    • Atoms 
    • Energy 

  4. 00:03:30 

    The three types of atoms we've learned about in the previous lessons in class is , , and   

    • protons 
    • neutrons 
    • electrons 

  5. 00:03:38 

    Physical properties can be measures or observed without changing the matter into..... 

    • a solid

       

    • a liquid

       
    • into something else 

    • a gas

       
    •  

  6. 00:03:43 

    Students please write down the previous question and its answer! Very important that we note physical property and can distinguish between both physical and chemical properties. 

     ____________________________ 


  7. 00:03:54 

    The amount of matter in a object is called its ....... 

    • weight

       

    • circumference

       
    • volume 
    • mass 

  8. 00:04:18 

    The amount of space an object takes up is called its ...... 

    • width

       

    • volume

       
    • matter 
    • measurement 

  9. 00:04:38 

    is the property that compares the volume and mass of an object.  

    • Density 

  10. 00:04:45 

    What are the three properties that all matter have? 

    • Density

       

    • Atoms

       
    • Mass 
    • Measurement 

    • Volume

       

    • Testable Question

       

  11. 00:05:19 

    All elements can be divide into  and  elements.  

    • Metallic 
    • Non metallic 

  12. 00:07:08 

    The ability to pass energy from one particle to another is called .... 

    • Transportation

       

    • Community

       
    • Conductivity 
    • Pass Along 

  13. 00:07:17 

    What are the three properties of conductivity? 

    • Electrical Conductivity

       

    • Heat Conductivity

       
    • Matter Conductivity 

    • Radio Conductivity

       

    • Sound Conductivity

       

  14. 00:10:26 

    Objects made from iron and steel are   

    • magnetic 

  15. 00:10:49 

    The ability of matter to react or combine to form a new substance or a new kind of matter is called .... 

    • Chemical Property

       
    • Physical Property 
    • Chemical Change 
    • Physical Change 

  16. 00:10:56 

    Write a one word sentence. Why is it hard to observe a chemical reaction? 

     ____________________________ 


  17. 00:11:11 

    Scientist use  to tell the difference between pyrite and gold.  

    • acid 

  18. 00:11:28 

    The ability to burn in a chemical property is called.... 

    • Inferno 
    • Fire 
    • Pyro 

    • Combustibility

       

  19. 00:12:04 

    Physical change is change in ..... 

    • state, shape, or size without forming a new matter.

       

    • state, size, or volume without forming a new substance.

       
    • state, shape, or size without forming a new substance.  
    • shape, state, size without forming a new molecule.  

  20. 00:13:07 

    Two or more parts mixed together is called a ...... 

    • combination

       

    • pair

       

    • mixture

       
    • community 

  21. 00:15:30 

    When one material forms a solution with another material it has? 

    • naive

       

    • evolved

       
    • creation 

    • dissolve

       

  22. 00:18:22 

    If a change seems easy to reverse it is most likely a  

    • chemical change

       

    • chemical property

       
    • physical property  
    • physical change  

  23. 00:18:53 

    These changes occur when atoms link together in new ways 

    • physical changes 

    • community change

       
    • chemical change 
    • chemical reaction 

  24. 00:19:42 

    There are signals to tell that a chemical change has occurred which are;  

    • color change

       

    • formation of a gas

       
    • chemical reaction 

    • heat change

       
    • electrical change 

    • light change

       

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