KEY TERMS Flashcards
(15 cards)
HYPOTHOSIS
A starting point for investigation. An idea or explanation to be tested.
PREDICTION
A statement that describes what the investigator thinks will happen in an investigation.
ACCURATE
wrong.need to change, lola
ANOMALY
A result that is unusual or unexpected.
CONTINUOUS VARIATION
Variation that shows a wide range of intermediate values between two extremes. They can be measured.
PROPORTIONAL
When two quantities have the same ratio or relative size. For example, current is proportional to voltage if the current doubles when the voltage is doubled.
QUADRAT
When two quantities have the same ratio or relative size. For example, current is proportional to voltage if the current doubles when the voltage is doubled.
BOILING POINT
The temperature at which a substance rapidly changes from a liquid to a gas.
CHROMATOGRAM
he results of separating mixtures by chromatography.
CHROMATOGRAPHY
Chromatography is used to separate different substances dissolved in a liquid.
COMPOUND
A substance formed by the chemical union of two or more elements.
CONDENSATION
A change of state in which gas becomes liquid by cooling.
CRUDE OIL
A change of state in which gas becomes liquid by cooling.
CRYSTAL
A solid containing particles (atoms, molecules or ions) joined together to form a regular arrangement or repeating pattern.
CRYSTALLISATION
The process of producing crystals from a solution by evaporating the solvent.
