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Science 1
Term | Definition |
---|---|
Weight | The measure of the force of gravity on an object |
Mass | The amount of matter an object has |
Matter | Anything that has mass and takes up space |
Volume | The amount of space an item occupies |
Density | Measure of mass in a given volume (Mass/Volume) |
Atom | Basis particle from all elements |
Molecule | Two or more atoms held together by a chemical bond |
Physical Properties | Substances that can be observed without changing it into a new substance |
Chemical Properties | Substances that has the ability to change into a different substance |
Physical Change | Alters the form or appearance but doesn't turn into a different substance |
Chemical Change | Substances that transforms into a new substance(s) |
Law Conservation Of Mass | Matter is not created nor destroyed by a physical or chemical change |
Thermal Energy | Total energy of motion of all particles |
Chemical Energy | The energy stored in the chemical bonds in between atoms |
Endothermic Change | A change of matter when energy is taken in |
Exothermic Change | A change of matter when energy is given off |