7th Grade Science Exam Review
Terms in this set (...)
A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions.
A testable prediction, often implied by a theory
variable that is manipulated
The outcome factor; the variable that may change in response to manipulations of the independent variable.
something that stays the same
the group that does not receive the experimental treatment.
the smallest unit of an element that maintains the properties of that element
a substance or molecule that participates in a chemical reaction
a substance that forms in a chemical reaction
Law of Conservation of Mass
a law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
anything that has mass and takes up space
a change of matter from one form to another without a change in chemical properties
a change that occurs when one or more substances change into entirely new substances with different properties
a property of matter that describes a substance's ability to participate in a reaction
Characteristic properties- the properties most useful in identifying a substance; these properties are always the same.
the ability of two or more substance to combine and form one or more new substances
the rate at which a substance transfers heat
Chapter 1- What is Chemistry
Chapters 1 & 2 Chemistry
General, Organic, and Biochemistry Chapters 1-3
Read 180 Workshop 3
Read 180 Workshop 2
Read 180 Workshop 1