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IPC Final practice
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62
Science
8th Grade
05/08/2010

Additional Science Flashcards

 


 

Cards

Term
What does Ohm's Law formula?
Definition

I=V/R

Current=Voltage/Resistance

Units

Amps=Volts/ohms

 

Term
Examples types of physical weathering.
Definition
Ice breaking throught rock, bunch of people walking on the rocks.
Term
Formula for Velocity.
Definition

V=a X t

Velicoty=acceleration X time

Term
Work formula
Definition
Work=Force X distance
Term
Examples of chemical weathering.
Definition
acid rain
Term

Potential

Formula and definition.

Definition

Built up energy

Formula

P=mass X acceleration X height.

Term

3rd Class lever.


 

Definition
[image]
Term
Buoyancy rule
Definition
1) You can't determine if an object will float based on the weight or volume.
Term

Forms of energy.

 

Definition

Electromagnetic

Chemical

Nuclear

Mechanical

heat

Term
Bohr (what did he do)
Definition
1rst to discuss atomic theory
Term

Maxwell

(what did he do)

Definition
1rst to discuss electromagnetic
Term
Radition
Definition
heat "glowing" outwards have half lives. Decompesed to non- radiocative materials.
Term
E=mc2
Definition
Energy of nucluar reaction= mass X speed of light squared
Term
Power formula
Definition

Power= F X D/T

Power=Force X Distance/Time

Term
Newtons
Definition
Lbs X 4.5
Term
Charles Law
Definition
The higher the temperture the higher the volume.
Term
Boyles Law
Definition
The lower the volume the higher the pressure.
Term
Laws of conservation of energy.
Definition
Energy can't be destroyed, but changed from one form to another.
Term
Bernouli's Principle
Definition
Buoyant force=mass of displaced fluid.
Term
Newton's 1rst law.
Definition
1) Object at rest reamains still. Object in motion remain unless acted on by an outside force.
Term
How to get TMA of a wedge.
Definition
Width of base/Width of point.
Term
How to get IMA of wheel and Axel.
Definition
Radius of wheel/radius of axel
Term
How to get Joules.
Definition
Joules=Work X Mass
Term
How to get Acceleration.
Definition
A-1/2area X time squared
Term
How to get Efficiency.
Definition
E=Work output/work input X 100
Term
Newton's third law.
Definition
For every action there is an equal & opposite reaction.
Term
Types of Friction
Definition

Sliding

Fluid

Rolling

Term
Beta
Definition

mass is .0005, charge is -1

Alluminum foil blocks it.

It is a Wave lenght.

Term
Gamma
Definition

Mass is 0, charge is 0

Smallest but strongest.

3ft of cement or 3 inchis of lead, blocks it.

Wave lenght.

Term
Alpha
Definition

Mass is 4, Charge is 2.

Biggest but weakest.

Paper blocks it.

Wave lenght.

Term
What is cold?
Definition
The absense of heat.
Term

True or false

The faster the metal heats up the higher its specific heat.

Definition
True
Term
Formula for Force.
Definition

Formula

Force=Mass X Acceleration.

 

Term
Aerodynamics
Definition
The study of reducing air resistance.
Term
Newton's Law
Definition

(1668)

Gravity-how big and far away an obect is, the bigger object gets possesion of gravity.

Philosophy of mathematic principles.

Term
Momentum
Definition
Mass X Velocity
Term
Specific heat
Definition

Cm= Mw X l X ^Tw/ Mm X 6Tm

 

M=mass

^T= change in temperture

m=metal

w=water

Term
Kila Calories
Definition
divide calories by 100
Term
EF formula
Definition
EF=RF/IMA
Term
Calories formula
Definition

Mw X ^T

mass of water X change in temperture of water

Term
IMA
Definition
IMA=de/dr
Term

Kinetic

(what it is and formula)

Definition

energy being used momentary

Formula

K=1/2 mass X velocity squared

Term
What is Convection?
Definition
air currents
Term
2nd class lever
Definition
[image]
Term
1rst class lever
Definition
[image]
Term
Double fixed pulley
Definition
[image]
Term
Single movable pulley
Definition
[image]
Term
Single fixed pulley
Definition
[image]
Term
True or false.
A negative charged part of the magnet is attracted to a positive charged part of another magnet?
Definition
True
Term
What is concave lens?
Definition
[image]
Term
What is a convex lens?
Definition
A lens having at least one surface that curves outward like the exterior of a sphere.
Term
What is a trough? (Wave)
Definition
The bottom part of the wave.
Term
Draw a Parrallel circuit.
Definition
[image]
Term
Electricity is what?
Definition
The flow of electrons.
Term
What does a dry cell contain?
Definition
It contains a chemical paste slightly acidic and has a carbon rod.
Term
DC is what?
Definition
Direct current. Uni directinol flow of electrons,
Term
AC means what?
Definition
Alternating current, Where the movement of elcectrical charge period.
Term
What is the formula for pressure?
Definition
P=f/a
Term
D/T and V/T graph for no movement.
Definition
[image]
Term
Drawing for constant speed. (Distance/Time)
Definition
[image]
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