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WorksheetsPraxis Prep Quiz #6
Total questions: 24
Worksheet time: 13mins
Name
Class
Date
1.
What is the transfer of heat from a warmer substance to a cooler substance through direct contact?
a)
conduction
b)
radiation
c)
convection
2.
The law of conservation of energy dictates that energy _____________.
a)
can be created
b)
cannot be created or destroyed
c)
cannot be destroyed
d)
cannot be created
3.
Mechanical energy is based on an object's __________.
a)
color
b)
mass
c)
motion and position
d)
mass and position
4.
Potential Energy is ________.
a)
determined by the movement of an object.
b)
always conserved.
c)
energy due to position or shape.
d)
energy stored in chemical bonds.
5.
What is the total amount of kinetic energy contained in all the particles of a substance?
a)
electrical energy
b)
chemical energy
c)
thermal energy
d)
nuclear energy
6.
What is the continuous flow of electric charge?
a)
static electricity
b)
law of electric charges
c)
current electricity
d)
nuclear energy
7.
What is wavelength?
a)
the distance a wave oscillates from its resting position
b)
the number of oscillations produced in a certain amount of time
c)
the distance a wave travels in a given amount of time
d)
the distance from any point on one wave to a corresponding point on an adjacent wave
8.
The highest point of a transverse wave is the _________.
a)
trough
b)
crest
c)
compression
d)
refraction
9.
What is the transfer of energy as electromagnetic waves?
a)
radiation
b)
conduction
c)
convection
d)
refraction
10.
Which property of light is not true?
a)
light spreads out in all directions from its source
b)
light cannot travel in a vacuum
c)
light travels "at the speed of light"
d)
light travels in straight lines called rays
11.
Which term describes why light passes from one medium to another and then changes direction slightly.
a)
refraction
b)
transparent
c)
opaque
d)
translucent
12.
What is resistance?
a)
I=V/R
b)
a measure of how much a material opposes the flow of electric current through it
c)
the current in which the electric charges move in one direction
d)
the attractive or repulsive force between the poles of magnets
13.
Loudness is measured in units called ________.
a)
volts
b)
amperes
c)
decibels
d)
ohms
14.
Which term describes the fact that light will always be reflected by a surface at the same angle at which it hits the surface?
a)
law of reflection
b)
specular reflection
c)
diffuse reflection
d)
law of Energy
15.
Sound energy is _______.
a)
the energy related to the temperature of a substance
b)
the energy carried by sound waves
c)
the energy produced by electric charges
d)
the energy contained in the nuclei of atoms
16.
What materials are not good at carrying current?
a)
insulators
b)
transparent materials
c)
conductors
d)
opaque materials
17.
What is the SI unit for current?
a)
decibels
b)
Celsius
c)
ampere
d)
hertz
18.
What material is attracted to a magnet?
a)
silver
b)
water
c)
metal
d)
iron
19.
What is the transfer of heat in a fluid through currents?
a)
radiation
b)
conduction
c)
convection
d)
fundoplication
20.
Radio waves have the ____________.
a)
shortest wavelength & highest frequency
b)
shortest wavelength & lowest frequency
c)
longest wavelength & highest frequency
d)
longest wavelength & lowest frequency
21.
Kinetic Energy is __________.
a)
energy of motion
b)
always conserved
c)
energy due to position
d)
contained in the nuclei of atoms
22.
What kind of magnet can be turned on and off? (Man-made magnet)
a)
refrigerator magnet
b)
electromagnet
c)
magnetite
d)
iron
23.
Choose the best option to complete this gap:
A magnetic field is the ________ around a magnet in which the magnetic force acts.
A magnetic field is the ________ around a magnet in which the magnetic force acts.
a)
pole
b)
electron
c)
area
d)
iron
24.
Opposite poles _____ .
a)
attract
b)
push away
c)
are balanced
d)
transfer electrons
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