Chapter 1-5 Vocabulary Words Flashcards
Biology
Define Biology
Biology is the scientific study of life!
Emergent Properties? What are they?
Properties that exist due to many different components working together.
Science? What may Science be?
Science is a way of knowing the natural world.
Independent Variable
It’s alone so therefore its a single variable and is the cause.
Dependent Variable
Dependent variable is the effect and its value depends on changes in the independent variable.
Controlled Experiment
It is in control and constant.
Observational Study
data collected by observing effects from the independent variable without being manipulated/controlled.
What is the Null Hypothesis?
A Null Hypothesis is a form, of hypothesis that is deemed “true” until proven wrong based on experimental data.
Ex: pizza from jimmyz usually comes with 20 oz of cheese on every single one that is sold. Jimmy (the owner) is afraid that the new guy isn’t putting the right ounces of cheese and perhaps more or less; messing with the on hand of cheese.
What is the Alternative Hypothesis?
The other answer to your research question.
What is an Atom
smallest unit! single element! consisting of protons, neutrons, and electrons
Element
Basic chemicals that cannot be changed or broken down into other substances.
Compound
consists of two or more elements, joined by a chemical bond.
Isotope
Atoms with the same number of protons but different numbers of neutrons.
Electron Shell
The electrons orbit around the nucleus of the atom.
Valence Shell
The outer shell of the atom
Polarity
A structure having an uneven distribution of electron density.
Surface Tension
a measure of how difficult it is to break the surface of a liquid.
Cohesion
Water sticking to water