Nature of Science/CCC
Observed in nature, these guide organization and classification and prompt questions about relationships and causes underlying them.
Patterns
What is the proper format for writing a hypothesis?
If____________, then____________.
What SI Unit is used when measuring the amount of a substance?
Mole
Give an example of an element.
Answers will vary.
What are these elements:N,P,K
Nitrogen
Phosphorus
Potassium
Deciphering relationships, and the mechanisms by which they are mediated.
Cause and Effect
What is a control group?
group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do
What is 50,000 in scientific notation?
5x104
What is an element?
Elements are the simplest pure substance.
An element can not be changed into a simpler substance by heating or any chemical process.
Boron (B), silicon (Si), arsenic (As), etc. They form the staircase that represents the gradual transition from metals to nonmetals.
Metalloids
S____________, P___________, and Q_____________
Scale
Proportion
Quantity
What is a treatment/experimental group?
the sets of participants in a research study that are exposed to some manipulation or intentional change in the independent variable of interest. They are an integral part of experimental research design that helps to measure effects as well as establish causality
What is 0.0205 in scientific notation?
2.05x10-2
What is a compound?
Compounds – pure substances that are the unions of two or more elements. They can be broken into simpler substances by chemical means.
To the right of the staircase: These include carbon (C), nitrogen (N), phosphorus (P), oxygen (O), sulfur (S) and selenium (Se).
Nonmetals
S______________ and F________________
Structure and Function
What is an independent variable?
a variable (often denoted by x ) whose variation does not depend on that of another
How many significant figures does 02000 have?
1
What is an example of a compound?
Water (H20)
Colorless, odorless and almost completely nonreactive, these round out the table in Group 18.
Noble Gases
Why is there not just one universal scientific method?
Answers will Vary
What is a dependent variable?
a variable (often denoted by y ) whose value depends on that of another
How many significant figures does 0.09749000 have?
7
What is a mixture?
Mixtures – two or more substances that are not chemically combined with each other and can be separated by physical means. The substances in a mixture retain their individual properties.
Who created the periodic table?
Dmitri Mendeleev