Science review vocab

Inclined plane with one or two sloping surfaces

Amount of work done

Measure of kinetic of all the particles in an object

Repeating disturbance or movement that transfers energy through matter of space

Net force that is directed toward the center of curved path

Increase and decrease voltage of alternating current

How far an object moves

Sum of all forces act on an object

Wire wrapped into cylindrical coil

Net movement of electric chargers in a single direction measured in amperes

Device converts thermal energy into work

Look above

Speed of object given point In time is constant for object moving constant speed

Represent ideas events and objects that is to big or small

Transfer thermal energy by electromagnetic waves

Mass per unit volume of material

Thermal energy that flows from a warmer material to cooler material

Temporary magnet made by wrapping a wire coil carrying a current is produced in wire loop changing magnetic field

Energy stored by objects due to position above earth surface depend on distance above earth and object mass

As it changes affects the measure of another variable

Heat engine burns fuel inside engine chambers of cylinder

Gravitational force exerted on object

Stored energy an object has due to position

Si unit of energy

Sum of potential and kinetic energy in system

Look above

Measure of energy carried by a wave

Distance between one point on. WAve and nearest point just like it

Bending of a wave as it changes speed in moving from one medium to another

Material which electrons not able to move easy

Sum of kinetic and potential energy of the particles

Machine combination of 2 or more simple machines

In an experiment a variable that does not change when other variables change

International system of units based on multiple of tens

Force makes object move

Factor that changes as a result of changes in the other variables

Educated guess using what u know

Makes work easier

Amount of space occupied by an object

Surrounds a magnet and exerts by a magnet is strongest like poles repel

Amount of matter in an object

Occurs when two or more waves overlap and combine to form new wave

Attractive forces between two objects

Least dense region of compressional wave

Energy stored in chemical bonds

Bending waves around an obstacle also occur when waves pass through narrow opening

Matter in which wave travel

Organized procedure for testing a hypothesis

Force that opposes the sliding motion between two touching surfaces

Push or pull exerted on object

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Acceleration of an object toward cEnter circular path

Distance and direction of object change positions from start point

Force that opposes motion of object that move through air

Ratio of output force exerted by machine to input applied to machine

Energy stored when object is compressed or stretched

Factor can change in results of an experiment

Bar free to pivot simple machine

Forces on object that combines to give 0 net force and don’t change motion of object

Resistance of an object to change in its motion

Speed and direction of moving object

Material such as copper wire which electrons move easily

Look above

Wheel with rope chain running along groove

Electric energy to mechanical energy using magnetic forces between electromagnetic and permanent magnet

When object exerts force on a second object the 2 object exerts force on 1 object acceleration equal net force

Look above

Material in which heat flows slowly

Uses electromagnetic induction convert mechanical to electric

Rate of change of velocity

Simple machine work with only one movement

Accumulation excess electricity charge

Lowest point on transverse wave

Total distance an object travels divided by total time it travels

Look above

Inclined plane wrapped in spiralcylindrical

Distance object travels per unit of time

statement what happens in nature seems to be true all the time doesn’t explain how something happened

Explanation based on knowledge gained from observation

Frictional force opposes motion of two surfaces sliding passes each other

Visual display of information

Consist of axle attached center of big wheel

Group of atoms in magnetic material poles of atoms pointing in same direction

Application of science to help people

Standard used for comparison of test results in experiment

Ratio of output work done by machines to input done on machines

Material such as copper easy for electrons to go through

Organized set of investigations procedure 7 steps

Exact agreed upon quantity used for comparison

Related to force cause electric charges to flow in volts

Simple machine consists of sloping surfaces

Energy can never be destroyed or created

States it’s impossible for heat to flow from cool object to warm without motion

Properties And interactions of magnets

Frictional force prevents 2 surfaces from sliding past each other

Energy moving object has depend on mass and speed of object

States charge can be transferred from one object to another but can’t be created nor destroyed

Property of a moving object that equal its mass times its velocity

Number of wavelength that pass a fixed point each sec in hertz

Occurs when a scientist expectations change how the results of experiment change