The Scientific Process
The information gathered from observations/experiments
What is data?
An organized way of using evidence to learn about the natural world
What is science?
A proposed scientific explanation (or an educated guess) for a set of observations.
What is a hypothesis?
...to investigate and understand the natural world, to explain events in the natural world, and to use those explanations to make useful predictions.
What is the goal of science?
Protons and neutrons
What 2 types of particles can be found in the nucleus (center) of an atom?
The most basic unit of matter.
What is an atom?
It should be testable and falsifiable
What are the 2 main requirements for a hypothesis?
The study of life (all living organisms on Earth, their environments, etc)
What is biology?
The 3 kinds of subatomic particles
What are protons, neutrons, and electrons?
A different form, or "version", of an element that has the same number of protons and a different number of neutrons than the original element
What is an isotope?
The two types of data that can be gathered from observations.
What are qualitative (categorical) and quantitative (numerical) data?
Open-mindedness and skepticism
What are some of the qualities that are desirable in a scientist?
A substance composed of two or more different elements, chemically combined in fixed proportions.
What is a chemical compound?
It is defined as a group of two or more atoms (same or different ones) held together by chemical bonds
What is the definition of a molecule?
It represents the number of protons (and electrons) in that atom
What does an element’s atomic number represent?
It causes the atom's charge to become more negative
What does losing an electron do to an atom's charge?