Grade 7 Chemistry

Compounds-composed of 2 or more elements that are chemically joined together

Elements-a substance that cannot be broken down into simpler substance.

Heterogenous mixture- a type of mixture where different components can be visually distinguished and can be separated through physical means.

Homogenous mixture-a type of mixture that exhibits only 1 phase

Hypothesis- a tentative solution to a problem

Mixture- refers to physical combination of substances. The properties of each specific substance is retained.

Observation- process of gathering data by using senses.

Pure substance- classification of matter with definite and fixed chemical composition. It can be either element or compound.

Saturated Solution- a solution which holds the maximum amount of solute it can hold; that if more solute is added, it would not dissolved.

Scientific Method- It a systematic way of solving problem.

Solute- The substance being dissolved; component of solution present in lesser amount compare to the amount of solvent.

Solvent- The substance that dissolve; component of solution present in greater amount relative to the amount of solute.

Unsaturated solution- a solution which holds less amount of solute it can hold; if more solute is added, it would be dissolved.