The Process of collecting data through the senses or measurement tools?
Observation
Characteristics or attributes
Properties
A basic unit of an element.
Atoms
Pure Substance made of only one type of Atom
Elements
Molecules
A procedure in which variables are manipulated and quantitative or qualitative data are collected to serve as the basis for evidence needed to answer a scientific question
Experiment
What is Matter?
Anything that has weight and takes up space
A subatomic particle with no charge located at the center of an atom?
Neutron
Characteristics of elements that help identify what they are
Properties
Substances that are combined to form products in a chemical reaction
Reactants
Data that is analyzed and interpreted to support or refute a claim
Evidence
What does solubility mean?
A property of matter that measures how well one thing can dissolve in another
This subatomic particle is negatively charged and orbits the nucleus extremely fast
Electrons
Repeating Rows of the periodic table that demonstrates of how elements are arranged
Periods
The results of substances being combined in a chemical reaction
products
What is the Definition of a hypothesis
A proposed, testable explanation for something that happens in nature.
What is the definition of Density?
A property of Matter that measures how close together the particles are inside a substance.
A positively charged subatomic particle located at the center of an atom.
Proton
Elements arranged in vertical columns of the periodic table that share the same properties
Group
Chemicals combine to cause a new substance to be formed
Chemical Change
What is the scientific definition of Model?
A representation of an idea or process
What vocabulary word helps determine if something will sink or float?
Density
What particles are clumped together at the center of an atom to form this?
Protons, Neutrons and Nucleus
An abbreviation for the name of an element on the periodic table
Atomic Symbol
A change in state of matter where no new substance if formed
physical reactions