Question | Answer |
Rusting a nail physical or chemical change | chemical |
Blowing up a ballon physical or chemical change | physical |
what is difference between weight and mas | weight how much gravity, mass how of it there is |
What is matter | something that has mass and takes up voulume |
If i said that is red is that a physical or chemical propertie | physical |
If i said the water changed color by itself is that a physixal or chemical propertie | Chemical |
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 |
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. |
Heteorgoneous and homogeonius mixture | Het is where you can see the diffrent parts hom cant see the difftrent parts |
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 |
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 |
What are the 2 measurments that are used to caculate density | Mass and voulume |
If i mixed strawberries water and kool-aid. How could i separate them | 1 strainer strawberries and water 2 evaporation water koolaid |
What are the 6 state changes of matter | freezing,melting,Sublimation,
Deposition,condestation, vaporzation |
Amorphous and crystalline solid | a- if you break it shatters c- if you break it breaks into little pieces |
Boyle's and charles law | B=if the volume decreases the pressure increase C= has the item gets hotter the pressure increases |
viscosity | A liquids Resistance to flow/thickness |
surface tension | A pull on molecules in a liquid that brings them close together |
Law of Conservation of Mass | Matter is not created nor destroyed,it only changes from one form to another |
When different materials of different densities are mixed ... | They make layers |