modeling our order world
Matter
The atom
Work and Machines
Bonding and Compounds
100
A model that explains a related set of phenomenon.
What is a theory?
100
Anything that occupies space and has mass.
What is matter?
100
DAILY DOUBLE
What is Plum pudding model?
100
It is the energy transferred to an object when an external force acts on the object to move it.
What is Work(W)
100
This rule states that atoms must attain 8 electrons in outermost energy level to become stable.
What is the Octet rule?
200
What is the key to good models?
What is work-ability?
200
It is the building blocks of all matter
What is an atom?
200
Also known as e- are the smallest of the main subatomic particles having a mass of 9.1094 x 10-31kg.
What is electrons?
200
The rate of doing work is called?
What is power/
200
Two atoms that share electrons form this type of bond.
What is a covalent bond?
300
An ongoing,orderly,cyclical approach used to investigate the world?
What is scientific inquiry?
300
A distinct group of two or more atoms covalently bonded together.
What is a molecule?
300
Which state of matter has a definite shape and volume?
What is solids?
300
A simple machine that consists of a rigid bar that turns about a pivot point.
What is a lever?
300
An electrostatic attraction that forms between atoms when they share or transfer valence electrons.
What is a chemical bond?
400
Compares a measurement to the accepted or expected value of measurement.
What is accuracy?
400
The amount of matter in an object.
What is mass?
400
The weighted average of the masses of all the naturally occurring isotopes of the element is what?
What is the atomic mass?
400
A common variation on the wheel with teeth around its perimeter that mesh with teeth on other gears to do work while producing rotational motion.
What is a gear?
400
Molecules made up if two atoms whether the same element or not.
What is diatomic molecules?
500
The degree of exactness of the measurements.
What is precision?
500
Anything about a substance that can be observed or measured without altering the substances chemical composition.
What is Physical Property?
500
These atoms of the same element with differing numbers of neutrons are called?
What is isotopes?
500
DAILY DOUBLE
What is a lever?
500
Unequal distribution of electric charge.
What s polarity?