WorksheetsP1 Know It
Total questions: 20
Worksheet time: 10mins
Complete this statement:
Energy cannot be...
...created or destroyed
...transferred from one place to another
...transferred from one store to another
...dissipated as heat
A person throws a ball. Energy is transferred form chemical energy in the muscles to...
Kinetic energy
Nuclear energy
Thermal energy
Light energy
What is the energy stored in moving objects?
Gravitational Potential Energy (GPE)
Kinetic Energy (KE)
Elastic Potential Energy (EPE)
Nuclear Energy
What is the energy stored in objects at height?
Gravitational Potential Energy (GPE)
Kinetic Energy (KE)
Elastic Potential Energy (EPE)
Nuclear Energy
What is the energy stored chemical bonds?
Light Energy
Chemical Energy
Elastic Potential Energy (EPE)
Nuclear Energy
What is the missing factor?
Kinetic Energy = ½ x m x _
v
s
v²
d
What are the units for mass in KE = ½mv² ?
lb
g
kg
N
What is the unit for energy?
Watts (W)
Metres (m)
Joules (J)
Amps (A)
What is the equation for gravitational potential energy?
GPE = ½mv²
GPE = m x h
GPE = m x g x h
KE = m x g x h
If a question does not say what gravitational field strength is on Earth, what can we assume it is?
1 N/kg
6 N/kg
10 N/kg
23 N/kg
Different substances heat up at different rates because of their...
Total internal energy
Velocity
Specific latent capacity
Specific heat capacity
Specific Heat Capacity is the amount of energy needed to raise 1kg of a substance by ....
1 m
1 °C
1 ºF
1 kg
What are the two forms of specific latent heat?
Vaporization and Fusion
Evaporation and Fusion
Vaporization and Fission
Melting and Boiling
What does the delta symbol ( Δ ) mean?
Triangle
Cubed
Change
Inverse
In the equation:
E = m x c x ΔT
What is ΔT?
Change in time
Change in temperature
Specific heat capacity
Velocity
What is the unit for power?
Watts (W)
Metres (m)
Joules (J)
Amps (A)
What is the definition of power?
Rate of transfer of energy
Rate of reaction
Flow of electric charge
Energy carried by an electron
What is the opposite of a conductor?
Conducer
Producer
Insulator
Insular
What is meant by a 'closed system'?
energy can be transferred but there is no net energy loss
energy and mass are transferred in and out of the system
energy cannot be transferred between different energy stores
there is no energy transfer
Coal, crude oil, and natural gas are all examples of what?
Sustainable resources
Renewable resources
Green energy
Fossil fuels
