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WorksheetsREID 2ND SEMESTER FINAL STUDY GUIDE
Total questions: 87
Worksheet time: 1hrs 17mins
The ability to do work
(all lowercase)
(a)
Any time you exert a force on an object that caused the object to change its motion W= Fx D
(a)
The rate at which work is done
(a)
The rate at which work is done
(a)
Energy of motion
(a)
Energy that is stored
(a)
Energy stored as a result of gravitational pull, GPE= (Mass X 9.8 )X Height
or GPE= Weight x Height
(a)
Energy stored from compressed or stretched objects
(a)
Potential energy + Kinetic energy
(a)
Type of potential energy stored in the nucleus
(a)
The total potential energy and kinetic energy of the particles in a sample of matter (example- something getting hot)
(a)
A form of potential energy because of the chemical bonds(example- food, fuel)
(a)
Energy of electric charges(example- electricity)
(a)
A form of kinetic energy that travels through space in waves, and does not need a medium
Light Energy
Law of Conservation of Energy
Elastic Potential Energy
States that the total energy remains the same
Energy Transfer
Chemical Energy
Energy Transformation
When the same energy is moved from one object to another(example- kinetic energy of a bat is transferred to the ball)
Energy transfer
When one form of energy changes to another
(example- chemical energy from food is transformed into kinetic energy so you can run)
Energy in the form of light
what formula is this
Joule(j) ½ X mass X speed2 or KE- ½ m x v2
Kinetic Energy
Momentum formula
Work formula
Potential Energy
what formula is this
weight X height = GPE
or (mass x 9.8) x height = GPE
The unit is a Joule(j)
Potential Energy
Kinetic Energy
Gravitational Potential Energy
Work done
If the mass of a child is 30kg and she is running at a speed of 4 m/s, what is her kinetic energy?
If a vase has a mass of 15kg and is sitting on a shelf that is 5m off the ground, how much gravitational potential energy does the vase have?
735 J
flows from warm to cool (form of energy)
(a)
The measurement of the average kinetic energy of the particles in a sample of matter.
(a)
The coldest possible temperature where no motion exists, OK or -2730C
(a)
Transfer of heat from one object to another object (heat from a pan to a metal spoon)
(a)
Transfer of heat that occurs through the movement of fluids(ocean currents)
(a)
Transfer of heat by electromagnetic waves (heat from a campfire)
(a)
Object that allows heat to transfer very easily (metal)
(a)
Object in which heat is not transferred very well (rubber, wood)
(a)
The idea that objects will expand as they are heated and contract when cooled
(a)
Any disturbance that transfers energy from place to place
(a)
Waves that travel through a medium (ex.Ocean waves)
(a)
Matter a wave travels through
(a)
(also a word in the energy topic)- The energy an electromagnetic wave transfers
(a)
A wave that travels perpendicular to the direction of the motion( up and down)
(a)
The lowest point of a transverse wave
(a)
The highest point of a transverse wave
(a)
The distance from crest and the resting position (measures the energy of a wave)
(a)
A wave that travels in the same direction as the vibration( back and forth)
(a)
Compressed area in a longitudinal wave
(a)
The stretched out area of a longitudinal wave
(a)
Distance From crest to crest(Transverse wave) or from compression to compression(Longitudinal wave), measured in meters
(a)
The number of waves that pass a given point in a certain amount of time- measured in hertz (Hz)
(a)
Waves bouncing off of objects
(a)
Waves bending around objects
(a)
The bending of waves due to a change is the speed of the wave
(a)
Wave energy is absorbed by objects
(a)
A wave that does not need a medium to travel, Transverse waves ( Ex light, radio, x-ray, microwave)
(a)
List the electromagnetic spectrum in order from longest wavelength to shortest wavelength
(capitalize, use commas and space)
(a)
What is the formula and label for the calculation of wave speed?
wave speed = frequency × wavelength
m/s
How are wavelength and frequency related to each other?
wavelength increases, the frequency decreases or vice versa
Wavelength and frequency have no relationship.
A change in position
(a)
Used for comparison to determine whether something is in motion
(a)
Motion is relative and/or compared to what the reference point of an object is
(a)
A push or a pull
(a)
The unit of measurement for force(N)
(a)
A force applied when objects are touching
(a)
A force applied when objects are not touching
(a)
A force that is equal in size and opposite in direction
(causes no change in motion)
(a)
A force that is not equal in size and not opposite in direction(causes a change in motion)
(a)
The combination of all of the forces on an object
(a)
Distance/Time, The unit of measurement is a meter/second(m/s)
(a)
The speed and directions of an object
(a)
A change in velocity(speeds up, slows down, or changes direction) m/s/s or m/s2
(a)
An object at rest will stay at rest unless acted on by an unbalanced force, an object in motion will stay in motion unless acted upon by an unbalanced force
Newton’s 2nd Law of Motion
Newton’s 1st Law of Motion
Newton’s 3rd Law of Motion
The tendency of an object to resist change in motion(objects want to keep doing what they are doing) If the mass increases the amount of inertia increases.
(a)
Force= Mass x Acceleration( objects move in the direction of the net force)
Newton’s 1st Law of Motion
Newton’s 3rd Law of Motion
Newton’s 2nd Law of Motion
A contact force that acts in the opposite direction of the motion
(a)
Friction when objects slide past each other
(a)
Friction when objects roll across each other
(a)
Friction that keeps objects from moving
(a)
Friction between the air or water of objects(Friction between fluids)
(a)
For every action there is an equal and opposite reaction
Newton’s 3rd Law of Motion
Newton’s 2nd Law of Motion
Newton’s 1st Law of Motion
Fluid friction that acts in the upward direction on objects falling through the air
A pull on all objects in the universe towards each other
A force put on objects due to the gravitational force, measured in Newtons (N)
Acceleration due to gravity is = to (a) m/s/s.
(there is a decimal)
Formula and label for Speed
Distance/ Time , Unit of measurement is m/s
Force= Mass X Acceleration, The unit of measurement is a Newton(N)
Formula and label for acceleration
Final Velocity- Initial Velocity /time
m/s/s
Mass X Acceleration, The unit of measurement is a Newton(N)
Newton’s 2nd Law formula and label
F = m - a
label (j)
F = m / a
label (m/s)
F = m * a
label (N)
F = m + a
label (t)
measurements for forces
measurements for mass
kilograms
If a car travels a distance of 1400km in 3 hrs, what is the car’s speed?
466.7 km/hr
A car whent to 30m/s from a stopped position in 10s. What was the car’s acceleration?
If a dog is pulling on a rope to the left with a force of 15 N and a person is pulling on the same rope towards the right with a force of 20N, what is the net force being applied to the rope?
A shelf has a mass of 70kg and is being moved at an acceleration of 3m/s/s. According to Newton’s 2nd Law, how much force was used to move the shelf?
F= m x a
