click below
click below
Normal Size Small Size show me how
Vocab ( science )
| liquid | particles move a little faster and slide past each other |
| boiling point | when water is on a hot surface and starts to get hot then starts to boil |
| freezing point | when water becomes ice |
| melting point | when ice becomes water |
| mixture | two or more pieces of matter mixed together that can be separated |
| element | pure substance where all atoms are the same |
| gas | particles move so fast spread out to fill their container |
| mass | the amount of matter in an object |
| volume | the amount of space an object takes up |
| solid | particles vibrate, but don't leave their positions |
| water displacement method | the method we used to find the volume of an irregularly shaped object |
| subatomic particle | particles that are smaller than the atom and make up the atom |
| atomic number | the number of protons in the nucleus |
| physical change | no new substances are formed |
| chemical change | new substance is formed |
| homogeneous | same or alike |
| compound | made up of two or more kinds of matter |
| proton | subatomic particle with a positive charge that are found within the nucleus at the center of the atom |
| neutron | subatomic particle with a zero electric charge that are found within the nucleus at the center of the atom |
| atom | smallest piece of matter |
| heterogeneous | different not alike |
| qualitative | your five senses |
| electron | subatomic particles with negative charge that are found orbiting around the nucleus of an atom. |
| solution | two or more pieces of matter that can be combined, but not easily separated |
| matter | anything that has mass and takes up space |
| atomic mass | the number of protons and neutrons in the nucleus |
| density | how much matter an object contains in a given amount of space |
| metric system | scientists always use the _____for measurements |
| quantitative | hashtag numbers # |