Modeling our orderly world
Matter
The atom
The periodic table
work and machines
100
The systematic study of the universe.
What is science?
100
The law that states the masses of chemical substances combine in definite characteristic integer ratios when forming compounds.
What does the Law of definite proportions?
100
This law says that opposite electrical charges attract each other while like charges repel each other.
What does the law of electrostatic charges say?
100
This law says that the property of the elements varies with their atomic numbers in a regularly repeated pattern.
What does the periodic law say?
100
This is a simple machine consisting of a wheel with a rod running through it axis that acts as the pivot point.
What is a wheel and axel?
200
This compares a measurement to the accepted or expected value of a measurement.
What is accuracy?
200
Daily bonus!!!!!
This is the mass per unit volume of an object.
What is the formula of density?
200
The atomic model views atoms as spheres of positively charged material with embedded electrons.
Who is Joseph John Thomson?
200
Any electron in the outermost energy level of a neutral atom.
What is considered a valence electron?
200
This is a simple machine that consists of a wheel and axel system with a groove around the perimeter of the wheel in which a rope, cable, or belt moves with the wheel as it rotates.
What is a pulley
300
The study of matter and energy and its interactions between them?
What is physics?
300
The space enclosed or occupied by an object.
What is volume?
300
The branch of physics explores the behavior of matter and energy at the atomic and subatomic levels.
What is quantum mechanics?
300
A row in the periodic table is sometimes called a series.
What is a period?
300
A force that tends to cause a rotation about a pivot point.
What is torque?
400
The study of the composition, structure, and properties of matter as well as changes in matter.
What is chemistry?
400
This model says that all physical matter exists in the form of particles
What does the particle model of matter say?
400
The smallest of the main subatomic particles has a mass of 9.1094 X 10-31.
What is an electron?
400
An element from either two rows is usually placed below the periodic table a member of either the lanthanide series.
What are inner transition metals?
400
This is a simple machine that consists of a rigid bar that turns about a pivot point (the fulcrum).
what is a lever
500
A model that explains a related set of phenomena.
What is considered a theory?
500
He noticed that parts from with in the spores moved randomly.
Who is Robert Brown?
500
This is a subatomic particle located in the atom's nucleus.
What is a proton?
500
DAILY BONUS!!:))))
These have one valance electron and are in a group in the periodic table.
What are Alkali metals?
500
A simple machine that consists of a plane whose opposite ends are at different heights.
What is an inclined plane?