CHEMISTRY
MACHINES AND ELECTRICITY
HEAT AND GRAVITY
WAVES, LIGHT, SOUND
SURPRISE
100
Neutrons Electrons Protons
What are the parts of an atom?
100
device that makes work easier
A machine is...
100
Conduction: process of heat transfer in solids Convection: transfer of heat in gases and liquids.
Define conduction and convection.
100
electromagnetic wave (transverse)
Which type of wave is considered a light wave?
100
light
What travels faster, light or sound?
200
total mass of the protons and neutrons in an atom, measured in atomic mass units (amu)
What is an atomic mass?
200
1st, crowbar 2nd, nutcracker 3rd, baseball bat
1st class lever... 2nd class lever... 3rd class lever...
200
materials that reduce friction
What are lubricants?
200
light: form of electromagnetic energy made up of streams of photons study of light: optics
Define light___________________ The study of light is called_______
200
matter and energy
Physical science is the study of...
300
Dalton
Who was the first scientist to discover the atom theory?
300
lever pulley wheel & axle inclined plane screw wedge
What are the 6 simple machines?
300
What is Gravity?
force of attraction between all objects in the universe.
300
Transverse longitudinal
What are the 2 types of waves
300
inertia
What is Newtons first law of motion?
400
The chemical symbol is a...
shortened way of writing the name of an element.
400
rubber outer of an electric cord
Name a good.. insulator conductor
400
speed at which air resistance and gravity acting on a falling object are equal
What is terminal velocity
400
opaque: material that blocks light illuminated: object tat reflects light luminous: object that gives off light
illuminated... luminous... opaque...
400
substance that makes up 2 or more elements that are chemically combined
What is a compound?
500
SEE STUDENTS ANSWER
(left and right of the zigzag line, metals, nonmetals) Describe the periodic table.
500
substance that forms ions when melted or dissolved in water
Define electrolyte
500
mass times aceleration
What is Newtons secend law of gravity?
500
roy g biv
What are the colors of the electromagnetic spectrom
500
See Students answer
Explain Newtons 3rd law of motion. What is it.
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