W1:Day 2: Introduction to Chemistry: Difference between revisions

=== '''Category: What is Chemistry?''' {{Z| ===

* '''Matter:''' {{Z| Anything that has mass and occupies space. }}

* '''Properties:''' {{Z| Characteristics used to describe matter (e.g., color, density, melting point). }}

* '''Chemical Reaction:''' {{Z| A process where substances change into new substances. }}

* '''Atom:''' {{Z| The smallest unit of an element that retains its chemical properties. }}

* '''Molecular Chemistry:''' {{Z| The study of molecules and their interactions. }}

=== '''Category: Branches of Chemistry''' {{Z| ===

* '''Organic Chemistry:''' {{Z| The study of carbon-containing compounds. }}

* '''Inorganic Chemistry:''' {{Z| The study of non-carbon-based substances, such as metals and minerals. }}

* '''Analytical Chemistry:''' {{Z| The branch of chemistry focused on identifying the composition of substances. }}

* '''Biochemistry:''' {{Z| The study of chemical processes within living organisms. }}

* '''Physical Chemistry:''' {{Z| The branch that deals with the relationship between energy and matter in chemical systems. }}

=== '''Category: Everyday Chemistry''' {{Z| ===

* '''Baking Soda (Sodium Bicarbonate):''' {{Z| A compound used in cooking that produces carbon dioxide when heated or mixed with acids. }}

* '''Oxidation:''' {{Z| A chemical reaction where a substance combines with oxygen (e.g., rusting). }}

* '''Vinegar:''' {{Z| An acidic liquid often used in cooking and cleaning (acetic acid). }}

* '''Thermal Energy:''' {{Z| Heat produced during chemical reactions. }}

* '''Batteries:''' {{Z| Portable devices that convert chemical energy into electrical energy. }}

=== '''Category: The Scientific Method''' {{Z| ===

* '''Question:''' {{Z| A query or observation that begins the scientific method process. }}

* '''Hypothesis:''' {{Z| A testable statement or prediction based on observations. }}

* '''Experiment:''' {{Z| A procedure to test a hypothesis by controlling variables. }}

* '''Independent Variable:''' {{Z| The variable intentionally changed in an experiment. }}

* '''Control Group:''' {{Z| The group in an experiment that does not receive the treatment, used as a baseline for comparison. }}

* '''Data:''' {{Z| Measurements and observations collected during an experiment. }}

=== '''Category: Chemistry in Food''' {{Z| ===

* '''Cream of Tartar:''' {{Z| A stabilizing agent often paired with baking soda in baking. }}

* '''Pickling:''' {{Z| A preservation method using acidic solutions (e.g., vinegar). }}

* '''Maillard Reaction:''' {{Z| A chemical reaction between amino acids and sugars, resulting in browning during cooking. }}

* '''Rennet:''' {{Z| An enzyme used to curdle milk during cheese production. }}

* '''Solubility:''' {{Z| The ability of a substance to dissolve in a solvent, such as sugar dissolving in water }}

* '''Presentations''': Each group has 5 minutes to present their findings to the class.  

* '''Teacher Role''': Facilitate discussion, clarify concepts, and ensure time management.