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science 1
Term | Description |
---|---|
Weight | The force of gravity on an object |
Mass | The amount of matter of an object |
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 | Basic particle from with all elements are made |
Molecule | two or more atoms held together by a chemical bond |
Physical properties | substances can't be watched by a new substance |
Chemical Properties | Ability to change into different substance |
Physical change | does not chance substance |
Chemical change | substances transform into new substance |
Laws of conversations | matter is not created or destroyed in chemical or physical change |
Thermal energy | total energy in motion all properties in a object |
Chemical energy | energy stored between chemical bonds |