Term
|
Definition
|
|
Term
|
Definition
| a covalently bonded compound that contains carbon |
|
|
Term
|
Definition
Biochemicals that do not dissolve in water.
A fat molecule or a molecule that has similar properties includes oils waxes and steriods. |
|
|
Term
|
Definition
| a molecule that is made up of amino acids and that is needed to build and repair body structures and regulate processes. |
|
|
Term
|
Definition
| biochemical's made up of subunits called nucleotides. |
|
|
Term
|
Definition
| an objects change in position over time relative to a refrence point. |
|
|
Term
|
Definition
| total distance traveled divided by the total time taken |
|
|
Term
|
Definition
| the speed of an object as well as the object in a paticular direction |
|
|
Term
|
Definition
| the rate at which veolocity changes over time an a obhect accelerates if it's speed, direction or both change |
|
|
Term
|
Definition
| a push or pull exerted on an object in order to change the moyion of the object;force has size and direction |
|
|
Term
|
Definition
| the process by which one or more substances shange to produce one or more different substances |
|
|
Term
|
Definition
| a solid that is produced as a result of a chemical reaction |
|
|
Term
|
Definition
| a chemical reaction in which heat is released to the surrondings |
|
|
Term
|
Definition
| a chemical reaction that requires heat |
|
|
Term
| law of conservation of energy: |
|
Definition
| the law that states that energy cannnot be created or destroyed but can be changed from one form to another |
|
|
Term
|
Definition
| a combonation of chemical sybols and numbers to represent a substance |
|
|
Term
|
Definition
| a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products |
|
|
Term
|
Definition
| a substance or molecule that participates in a chemical reaction |
|
|
Term
|
Definition
| a substance that forms in a chemical reaction |
|
|
Term
| law of conservation of mass: |
|
Definition
| the law that states that mass cannot be created or destroyed im ordinary chemical and physical changes. |
|
|
Term
|
Definition
| a class of energy-giving nutrients that includes starches, sugars and fiber; contains carbon, hydrogen and oxygen. |
|
|
Term
|
Definition
| the combination of all of the forces acting on an object |
|
|
Term
|
Definition
| when the net force on a n object is 0 Newtons |
|
|
Term
|
Definition
| a force that opposes motion between two surfaces that are in contact |
|
|
Term
|
Definition
| friction between moving surfaces |
|
|
Term
|
Definition
| a force applied to an object that causes it not to move |
|
|
Term
|
Definition
| substances that reduce friction such ss oil, wax and grease |
|
|
Term
|
Definition
| the force of attraction between objects +that si dur to their mass |
|
|
Term
|
Definition
| the measure of the gravitational force exerted on an object; its value can change with the locatiom of the object in the universe |
|
|
Term
|
Definition
| the measure of the amount of matter in an object |
|
|
Term
|
Definition
| the constant velocity of a fallin gobject when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity |
|
|
Term
|
Definition
| the motion of a body when only the force of gravity is acting on the body |
|
|
Term
|
Definition
| a chamber with no matter or air |
|
|
Term
|
Definition
| the curved path that an object follows when thrown, launched or otherwis projected near the surface of the earth |
|
|
Term
|
Definition
| an unbalanced force that makes things move in a eliptical path or circular path |
|
|
Term
| newtons first law of motion: |
|
Definition
| An object at rest remains at rest, and an object in motion remains at constant speed and in a straight line unless acted on by an unbalanced force. |
|
|
Term
|
Definition
| the tendency of an object to resist being moved or, if th object is moving, to resist a change in speed or direction, until an outside force acts on an object |
|
|
Term
| Newtons Second Law of Motion: |
|
Definition
| the acceleration of an object depends on the mass of the object and the amount of force applied |
|
|
Term
| Newtons Third Law of Motion: |
|
Definition
| whenever oneobject exerts a force on a second object the second object exerts an equal ad opposite force on the first |
|
|
Term
|
Definition
| the band of colors produced when white light passes through a prism |
|
|
Term
|
Definition
| the brightness of stars as seen from earth |
|
|
Term
|
Definition
| the brightness that a star would have at a distance of 32.6 light-years from earth |
|
|
Term
|
Definition
| the distance that light travels in one year; about 9.46 trillion kilometers |
|
|
Term
|
Definition
| an aparent shift in the posistion of an object when veiwed from diffeerent locations |
|
|
Term
|
Definition
| the location on the H-R diagram where most stars lie;it has a diagnol pattern from the lower right(low temperature ad luminosity) to the upper left(high temperature and luminosity) |
|
|
Term
|
Definition
| Hertzsprung-Russell diagram, a graph that shows the relationship between a star's surface temperature and absolute magnitude |
|
|
Term
|
Definition
| a gigantic explosion in which massive star collapses and throws its outer layers into space |
|
|
Term
|
Definition
| a collection of stars and gas bound together by gravity |
|
|
Term
|
Definition
| a large cloud of gas and dust in interstellar space; a region in space where stars are born |
|
|
Term
|
Definition
| a rotating cloudof gas and dust from which the sun and olanets formed |
|
|
Term
|
Definition
| the average distance between earth and the sun approx. 150 million kilo |
|
|
Term
|
Definition
| dense planets near closest to the sun mercury venus mars and earth |
|
|
Term
|
Definition
| the clockwise spin of a planet as seen from the n.pole |
|
|
Term
|
Definition
| the counter clockwise spin as seen from the n.pole |
|
|
Term
|
Definition
| planets that have deep,massive atmospheres, such as jupiter saturn uranus and neptune |
|
|
Term
|
Definition
| a natrul or artifical body that revolves around a planet |
|
|
