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Science vocab
science
Term | Definition |
---|---|
protons | contains a positive charge and is found in the nucleus of an atom |
neutrons | contains NO charge and is found in the nucleus of an atom |
atomic mass | is the number of neutrons+number of protons in an atom |
electrons | contains a negative charge and is found on the electron shell of an atom |
nucleus | is in the middle of an atom and contains neutrons and protons |
force | a push or pull on an object |
velocity | an object's speed and direction |
acceleration | a change in an object's velocity over time |
speed | the distance an object traveled in a period of time |
Newton's 1st Law | an object at rest will remain at rest unless acted upon by an outside force |
beaker | holds,measures,and distributes liquids |
triple beam balance | measures the mass of an object(s) |
beaker tong | hold the beaker after/when it is heated so you don't burn your hand |
safety goggles | prevents your eyes from getting harmful things in them |
test tube | hold chemicals to test |
metal | any class of elementary substances with ductility,conductivity,and luster.(left side of the stair step on periodic table) |
non-metal | any class of elementary substances WITHOUT ductility,conductivity,and luster.(right side of stair step on periodic table) |
group | coluoums on the periodic table |
period | rows on the periodic table |
metalloid | chemical element that have non-metal and metal properties |