The gathering of information using senses or with the aid of instruments.
What is observation?
A well-tested explanation of a phenomenon in the natural world.
What is a scientific theory?
Anything that has mass and takes up space (has volume).
What is matter?
The amount of matter something has.
What is mass?
A type of physical change that is reversible.
What is a phase change?
A possible, testable explanation for one or more observations or a suggested, testable answer to a question.
What is a hypothesis?
How much space an object occupies.
What is volume?
The smallest chemical unit of an element.
What is the atom?
The state of matter in which a substance has neither a definite shape nor a definite volume.
What is gas?
Romans 1:20
What is "For since the creation of the world God’s invisible qualities—his eternal power and divine nature—have been clearly seen, being understood from what has been made, so that people are without excuse."
A branch of science that deals with the study of nonliving things.
What is a physical science?
An orderly data table helps you find these in your data.
What are patterns?
A pure substance that cannot be broken down into a simpler substance and contains only one type of atom.
What is an element?
The ratio of a substance's mass to its volume.
What is density?
The phase change from a liquid to a gas.
What is evaporation?
A well-tested description of one phenomenon in the natural world that often includes mathematical terms.
What is a scientific law?
An observation of a quantity, made by counting or using an instrument like a scale, ruler, beaker, or other device.
What is a quantitative observation?
These are composed of two or more substances mixed together.
What a mixture?
The fourth state of matter?
What is plasma?
The process of a gas changing directly into a solid (think snowflakes).
What is deposition?
This French chemist hypothesized that burning was the result of a combustible material combining with a component of air- oxygen.
Who is Lavoisier?
This type of graph is used when you want to compare the differences between two or more groups or to show changes over time.
What is a bar graph?
A mixture where the substances remain distinct (like a mixture of cereal and milk).
What is a heterogeneous mixture?
The ability of matter to combine chemically with other substances.
What is reactivity?
As a substance cools, the speed of its particles does this.
What is slows down?