science:matter
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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| Rusting a nail physical or chemical change | chemical
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| Blowing up a ballon physical or chemical change | physical
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| what is difference between weight and mas | weight how much gravity, mass how of it there is
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| What is matter | something that has mass and takes up voulume
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| If i said that is red is that a physical or chemical propertie | physical
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| If i said the water changed color by itself is that a physixal or chemical propertie | Chemical
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| what is the difference between atom, element, compound,and mixture | Atom-the basic particle which elements are made Element-A pure substance that cant be broken down Coumpound-two or more elements chemically combines Mixture-made of 2 or more substances that are together but not chemically combined
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| what is a solid liquid gas | solid-a item where the molecules move slower and are scrunched together liquid- a fluid where the molecules move slower than gas but faster than solid and the molecules are barely moving around gas- the molecules move faster and are more spread apart.
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| Heteorgoneous and homogeonius mixture | Het is where you can see the diffrent parts hom cant see the difftrent parts
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| Endo thermic and exothermic | Endo thermic is when energy goes in and it gets hotter and exothermic is when energy goes out and it gets colder
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| what happens to the kinetic energy of and object getting colder;warmer | the kinetic energy gets slower and when it gets warmer the kinetic energy gets faster
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| What are the 2 measurments that are used to caculate density | Mass and voulume
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| If i mixed strawberries water and kool-aid. How could i separate them | 1 strainer strawberries and water 2 evaporation water koolaid
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| What are the 6 state changes of matter | freezing,melting,Sublimation,
Deposition,condestation, vaporzation
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| Amorphous and crystalline solid | a- if you break it shatters c- if you break it breaks into little pieces
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| Boyle's and charles law | B=if the volume decreases the pressure increase C= has the item gets hotter the pressure increases
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| viscosity | A liquids Resistance to flow/thickness
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| surface tension | A pull on molecules in a liquid that brings them close together
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| Law of Conservation of Mass | Matter is not created nor destroyed,it only changes from one form to another
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| When different materials of different densities are mixed ... | They make layers
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