Show:
Atoms
Waves
Elecricity
Simple machines
Periodic table
100
Known as the basic building block of all matter.
What is Atoms
100
The height of a wave.
What is trough
100
opens and closes a circuit
What is a switch
100
A tilted surface which an object can roll down
What is inclined plane
100
symbol is "Au"
What is gold
200
This is a subatomic particle, and has a positive charge
What is protons
200
When light bounces off of an object. (water)
What is reflection
200
Allow electricity to flow.
What is a conductor
200
Exerting pressure or influence over object or substance.
What is force
200
symbol is "H"
What is hydrogen
300
A group of atoms can remain bound to each other by what?
What is chemical bonds
300
Waves where the disturbance moves perpendicular to the direction of the wave.
What is Transverse waves
300
Mother nature's electricity
What is Lightning
300
two or more simple machines combined as one.
What is compound machine
300
The scientists who theorized that electrons orbit orbit the nucleus of the atom in orbits like planets.
Who is Neils Bohr
400
These have a neutral charge.
What is electrons
400
occurs when a wave crosses a boundary from one medium to another.
What is refraction
400
Circuit that has two or more paths for electricity to flow.
What is a parallel circuit
400
The force applied to a simple machine.
What is effort
400
The average of the masses of the naturally occurring isotopes in an element.
What is atomic mass
500
The atom is classified according to the number of .... (2)
What is protons and neutrons
500
All waves can be categorized as either .... (___ or ___)
What is mechanical or electromagnetic
500
He invented the light bulb, which used electricity.
Who is Thomas Edison
500
force caused by one rubbing against each other.
What is friction
500
The scientist who started the modern atomic theory & confirmed Democritus' model of the indivisible atom.
Who is John Dalton