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Types of energy
Calculations
Units
Definitions
Transformations
100
Energy stored because of an object's position above the ground
What is gravitational potential energy
100
How much work does it take to lift a 3kg book 1 meter off the ground?
What is 29.4 Joules
100
The unit of energy
What is a JOULE?
100
Moving an object over a distance
What is WORK?
100
The energy transformations that occur when a toy car rolls down a ramp
What is gravitational potential energy to kinetic energy?
200
The energy of a moving object
What is KINETIC ENERGY?
200
The weight of an object with a mass of 10kg
What is 98 Newtons?
200
The unit of mass
What is a GRAM (or KILOGRAM)
200
The time it takes for an object to move over a distance
What is SPEED?
200
The energy transformations that occur when an inflated balloon is released
What is elastic potential energy to kinetic (and sound) energy?
300
The energy stored in coal, natural gas and plants
What is CHEMICAL POTENTIAL ENERGY?
300
A speed (in km/hr) of a car which travels 30 km in 0.5 hrs
What is 60km/hr?
300
The unit of work
What is a JOULE?
300
The rate at which work is done
What is POWER
300
The energy transformations that occur when plants photosynthesise
What is SOLAR to CHEMICAL energy?
400
The energy stored in an object because of its shape or material
What is ELASTIC POTENTIAL ENERGY
400
The gravitational potential energy of a 1.5kg tennis racket held 1.5m above the ground
What is 22.05 Joules
400
The unit of speed
What is Km / Hr (or m / sec)
400
The force that measures the effect of gravity on a mass
What is WEIGHT?
400
A skier going down a slope and then up the other side
What is GRAVITATIONAL POTENTIAL ENERGY changing to KINETIC ENERGY changing back to GRAVITATIONAL POTENTIAL ENERGY
500
The main type of energy that is produced from renewable or non-renewable sources
What is ELECTRICAL ENERGY?
500
The work done when a 10kg backpack is lifted 2.3 meters into the overhead locker in an airplane
What is 225.4 Joules?
500
The unit of weight
What is a NEWTON?
500
This is necessary for an object to move or change
What is ENERGY?
500
The energy transformations that occur when a stone is catapulted using a sling shot
What is MECHANICAL energy and ELASTIC potential energy changing to KINETIC and GRAVITATIONAL potential energy