Question | Answer |
element | AN ELEMENT IS MATTER MADE UP OF ONLY ONE KIND |
ATOM | THE SMALLEST OBJECT THAT RETAINS PROPERTIES OF AN ELEMENT |
NUCLEUS | THE POSITIVELY CHrged central cor of an atom , contaaining most of it's mass |
electron cloud | region surrounding the nucleus of an atom, where electrons are mstly likely t be found |
proton | positively charged particle present in the nucleus of an atom |
neutron | nuetral particle that has the same mass as the proton and is found in the atoms nucleus |
electrns | negatively charged perticle that is in the electron clud around the nucleus |
periodic table | element are present by an increasing atmic number , the number of protons in an atmic number |
molecule | two or more atoms that are joined together are called molecules |
acceleration | is a change in speed and direction |
balanced forces | ooccurs when the total force on an object equals 0, the object doesn't move |
directions | the way you move or the way you go |
force | is a push or pull |
newton's first law | the acceleration of an objectby force is also called the law of inertia. |
speed | distance travelled by an object in a certain time |
unbalanced forces | occur when the netforce on an object does not equal too 0, results in an object chsnging its motion |
velocity | speed |
white dwarf | a star the size f earth i it's final stage of evolution for low mass stars. |
eliptical galaxies | the shape of a galaxy that takes a sphere |
irregular galaxy | a galaxy with no distict r regular shape |
spiral galaxy | a galaxy with a spial shape |
asteroid | any of the thousands of the small bodies of from 480 miles to less than a thousand mile in diameter |
comet | a celestial body moving about the sun |
meteor | a meteoroid that burns up on earth's surface |
meteorite | a meteoroid that burns up on entering the earth's atmosphere. |
meteoroid | often remains of comts traveling through space |
red giant star | a large, luminous star. |
milky way | a galaxy that earth is in |