WorksheetsUnit 2 Lessons 1,2,3
Total questions: 20
Worksheet time: 10mins
energy is the ability to cause ______
mass
speed
change
motion
_______ energy is the energy of an object due to motion
potential
kinetic
motion
speed
as a skater moves down the ramp, his _______ energy increases
kinetic
potential
speed
motion
_____ energy is the sum of an object's kinetic energy and potential energy
sound
electrical
electromagnetic
mechanical
energy is expressed in _______
grams
joules
kilograms
koules
mechanical energy is a form of _______ energy
potential
kinetic
the faster the molecules move, the more thermal energy it has
false
true
all particles of matter have _______ energy
potential
motion
sound
kinetic
the faster particles move, the less kinetic energy they have
false
true
the warmer a substance is, the _______ its particles move
slower
faster
a _________ is used to measure temperature
measurer
particler
termoneter
thermometer
When the tube that the liquid is contained in is heated, the particles of the liquid...
slow down and spread out
speed up and stay together
speed up and spread out
the 3 common scales for measuring temperature are Fahrenheit, Celsius, and _______
Kelvin
Celvin
Kalvin
Kelniv
On the Celsius scale water freezes at 0 degrees, whereas on the Fahrenheit scale water freezes at _
30
1
32
33
______ energy is the total kinetic energy of all particles in a substance
sound
electrical
electromagnetic
thermal
even though 2 materials may have the same temperature, their thermal energies might be different depending on the size of the particles
false
true
energy in the form of heat always flows from _____ to ______
colder to warmer
warmer to colder
heat is measured in 2 ways: calories and joules
true
false
_______ is the transfer of energy as heat by the movement of a fluid like a liquid or gas
convection
conduction
radiation
as long as 2 objects are in contact, conduction continues until the temperatures of the objects are equal
false
true
