WorksheetsAQA Energy Stores and Changes FT
Total questions: 15
Worksheet time: 28mins
Which type of energy is increased when a book is lifted high up onto a shelf
Kinetic
Thermal
Nuclear
Gravitational potential
Which type of energy does a car on the motorway have a lot of?
Kinetic
Thermal
Nuclear
Gravitational potential
Which type of energy does an ice cube NOT have a lot of?
Kinetic
Thermal
Nuclear
Gravitational potential
A bunsen burner converts (a) energy into thermal energy?
When you rub your hands together work is done against the force of (a)
An object or a group of objects is called a _________
system
assistant
conglomerate
collection
Which things can't escape from a closed system?
Matter
Energy
Time
Space
The sun transfers energy
Mechanically
Electrically
By heating
By waves
Power =time?
(a)
What are the units of energy?
Watts
Joules
Newtons
Amps
What are the units of power?
Watts
Joules
Newtons
Amps
If a 2000 W kettle is only 10% efficient, how much useful power can it deliver?
20'000 W
2000 W
200 W
20 W
How much energy is delivered by a 10 W phone charger in 5 seconds?
10 J
5 J
50 J
2 J
When oil is put in an engine to reduce wasted energy this is called _________
lubrication
oiling
fanning
streamlining
When the shape of a car is changed to make it more aerodynamic this is called
lubrication
oiling
fanning
streamlining
