Physical Science Exam
Terms
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- a logical and systematic approach used by scientists to collect information
- Scientific Method
- Accumulation of knowledge
- Science
- the measure of space occupied by an object
- volume
- any push or pull on an object. Unit of measurement=Newton
- Force
- a measure of the pull between the earth and an object
- weight
- the attraction of the earth for given objects
- gravity
- anything that has mass and takes up space
- matter
- quantity of matter
- mass
- the ability to do work
- energy
- mass per unit volume
- density
- passing an electric current through liquid
- Electrolysis
- the building block of all matter
- Element
- a combination of substances in which no chemical change takes place
- Mixture
- a combination of substances in which there is a chemical change
- Compound
- the smallest part of a compound that has all the same properties of the compound
- Molecule
- the building blocks of elements
- atom
- one or more letters that represent an element
- chemical symbol
- a group of symbols that represent a compound
- chemical formula
- the substances that react in a chemical change
- Reactants
- a general statement that describes the behavior of nature
- scientific law
- a solid that forms when two or more liquids are combine
- precipitate
- a negative atomic particle outside of the nucleus
- Electron
- a positively charged atomic particle in the atom
- proton