__________ is the study of all substances and the changes that they can undergo.
What is the definition of Chemistry?
100
-Extremely small building blocks of matter
-All matter is composed of these
-They cannot be broken down into smaller pieces by chemical means
-The smallest distinct units in a sample of matter
What are characteristics of Atoms?
100
Solid, Liquid, Gas and Plasma
What are the States of Matter?
100
-State the Problem
-Form a Hypothesis
-Perform an Experiment
-Draw a Conclusion
-Share your Results
What are the Basic Steps of the Scientific Method?
100
Pattern, plan, representation or description designed to show the structure of working of an object, system or concept. An explanation of how phenomena occur and how data events are related.
What is a Model?
200
Organic, inorganic, physical, analytical, biochemistry and theoretical are?
What are the Branches of Chemistry?
200
-Made up of identical atoms.
-Cannot be decomposed into other substances.
What are characteristics of Elements?
200
Liquids freeze and turn into solids. Solids melt and turn into liquids. Liquids evaporate and turn into gas. Gases condensate and turn into liquids. Solids sublimate and turn into gas and finally gases depose into solids. These are
What are the interconversion of states?
200
-The Experimental Design
-Experimental Group
-Control Group
-Dependent and Independent Variables
-Constant Factors
What are the requirements to an Experiment?
200
Indivisible Atom, Plum-pudding Atom and the Rutherford Atom.
What are models of atoms?
300
Basic, and Applied.
What are the Types of Research?
300
A combination of 2 or more atoms (same or different) that are covalently bonded.
What is the definition of Molecule?
300
Physical and Chemical ________.
What are Changes of Matter?
300
The variable you cange in an experiment.
What is the Independent Variable?
300
Conceptual, Geometrical, and Mathematical.
What are Types of Models?
400
Typically involves the production and use of products that improve our quality of life.
What is Technological Development?
400
Two or more different elements bonded together in a fixed proportion.
What is the definition of Compound?
400
Observed with the senses and can be determined without destroying the object.
What are the Physical Properties of Matter?
400
The variable that changes in an experiment because of changes you have made.
What is the Dependent Variable?
400
A hypothesis, or a combination of hypothesis, that has been tested a great number of times. Explains why things happen and can be disproven. An example is Dalton's Atomic _____.
What is a Theory?
500
Any substance that has a definite composition.
What is the definition of a Chemical?
500
-Homogeneous and Heterogeneous.
-May be separated into pure substances by physical methods.
-Tyndall Effect.
-Colloids.
-Suspensions.
What are characteristics of Mixtures?
500
Indicates how a substance reacts with something else. The original substance is fundamentally changed.
What are the Chemical Properties of Matter?
500
These must be included in the Title of a Graph, and in the x and y axis.
What are the Dependent and Independent Variables?
500
A scientific conjecture that describes what happens. They van pften be described mathematically. Doesn't explain why things happen. An example is the _____ of Conservation of Mass.