Physical Science Second Semester Exam STUDY GUIDE Flashcards

speed is the rate of change in ___________

to describe velocity you need to know _____ and _____________

when you graph the motion of an object, you put ______ on the horizontal axis and ___________ on the vertical axis

acceleration involves a change in ________

inertia depends on ___________________________________________________

if you exert a force on an object in motion you will change its _____________

the distance traveled divided by the time taken to travel the distance is ___________ _______

momentum is a measure of ___________________________________________________

forces that are equal in size but opposite in direction are ______________

if gravity did not affect the path of a horizontally thrown ball, the ball would __________________________

newton's first law of motion states that an object remains at rest unless a(n) __________ force acts on it

the force you have to overcome to start an object moving is _______________________

whenever a body is in motion, there is always __________ to oppose the motion

the relationship among force, mass, and acceleration is stated in newton's _____ law

the statement "for every action, there is an equal but opposite reaction" is a statement of newton's ___ law

with action-reaction forces, what happens first?

when a diver jumps off a diving board, gravity pulls him or her down to the water. what is the reaction force to earth's gravity?

which of the following is NOT an example of work being done?
a. the moon orbiting earth
b. pushing a box from the bottom of a hill to the top of the hill
c. pilling a sled across a field covered with snow
d. lifting a bookbag off the flow

a slanted surface used to raise an object is a(n) ____________________

a device that does work with only one movement and changes the size or direction of a force is a(n) _______________________

a bar that is free to pivot about a fixed point is a ______

the rate at which work is done is called _______

the work output of a machine divided by the work output is the ____________________________ of the machine

the amount by which a machine multiplies an input force is called the ________________

an inclined plane with one or two sloping sides forms a machine called a ________

an inclined plane wrapped around a cylinder is a _______

a winding mountain road is an example of a(n) ________

when two or more simple machines work together, they are called a(n) ____________________

three of the following simple machines are basically the same. which one that does NOT belong in the group?

lever, wedge, pulley, wheel & axle

which one of the following is NOT an example of a mechanical wave?

which one of the following is NOT an example of an electromagnetic wave?

sound wave, red lght, x-rays, gamma rays

which one of the following is NOT an example of a compressional wave?
a. wave moving through a coiled spring
b. sound traveling through the air
c. sound traveling through water
d. green light traveling through the air

tsunamis have a large amount of energy because of their large _____________

a place where molecules are far apart is a ______________

when light bounces off a surface it is called ___________

in which one of the following cases will refraction occur?
a. light traveling from air to glass
b. light reflecting off of a mirror
c. light blending around the corner of a door
d. green light interfering with blue light

to produce sound, an object must be __________

you produce speech by vibration of the _______

____________ is the human perception of the energy a wave carries

sound travels fastest in a __________

when you speak, your words are transferred to a friend by ______________________

if you pass a building with a siren sounding, as you move away from the building, the sirens will sound ___________

the part of the ear that transfers sound vibrations to the cochlea is the ___________________

the number of waves that pass a certain point in one second is the wave's ________________

sunscreen protects the skin from damage caused by _________________

a wave transfers ___________

electromagnetic waves are produced by ___________________________________________________

vibrating charged particles make _______________ fields

electromagnetic waves carry ______________ energy

the longest wavelength in the electromagnetic spectrum is the ______________

the electromagnetic waves with wavelengths slightly longer than visible light are _____________

_____________ are used for medical imaging

television uses ____________________ to transmit signals

the material in which a wave travels is called ___________

glass is an example of a ____________ material

if an object looks blue, it reflects ________ waves

how can you describe the image formed by a plane mirror?

if light waves change speed when they pass from one medium into another, the light will be ____________

which one of the following is think in the middle and thin at the edges?

concave lens, concave mirror, convex lens, plane mirror

normally, atoms are electrically neutral because there are _________________________________________

the buildup of electric charges on an object is called a ___________________

a material through which electrons do NOT readily flow is a(n) _______________

two objects will attract one another when they have _____________________________

one example of a good conductor is ________

a magnetic field gets stronger as you ____________________________

the steady flow of electrons through a conductor is ____________

a battery is not used in which of the following:

flashlight, a portable radio, microwave, toys

copper is used in household wiring because _____________________

a path created for a current that allows only one route for the current is called a _________________

the rate at which an electrical device converts energy from one form to another is called _________

which of the following is a device designed to open an overload circuit and prevent overloading?

electrical energy, circuit breaker, electrical power, voltage regulation

electric companies usually sell electrical energy in units of ___________

a circuit that has two or more separate paths for electrons to follow is a(n) ___________________

the south pole of a magnet ________________________

when you break an iron magnet into two pieces, you get ______________

the location of the strongest magnetic field is the ______

the region around a magnet where the magnetic forces act is the ________________________

atoms become magnets when their _____________ are properly arranged

an electromagnet is _______________________________
________________

the function of an electric motor is to change ______________________________

a current carrying wire wrapped around an iron ore is called a(n) ___________________

changing the current changes the __________________ of an electromagnet

current that does not reverse direction is called ______________________

a current that reverses direction in a regular pattern is called a(n) ____________________________

knife

leaf rake

wheelchair ramp

potter's wheel

threaded bolt

does not require a medium to travel through

light waves and water waves are examples of this

interaction of various different waves

can be either transverse or compressional

sound waves are an example of this