Forms and Sources of Energy
What are the two types of energy sources?
Renewable energy sources and non-renewable energy source.
Name the three R’s that help against waste
Reduce
Reuse
Recycle
What is a machine?
Machines are objects that we use to help us in our daily lives.
What are the two types of machines?
Simple or complex machines
Name two ways technology has improved our lives.
Medicine
Transport
Domestic
Communication
List the most common forms of energy...
Mechanical
Light
Electrical
Thermal
Chemical
Give an example of saving energy.
Use public transport
Turn off the lights or electrical items
Use items that use less energy (Ex. LED lights)
Give an example of a simple machine.
Pulley
Inclined plane
The human body changes chemical energy from food into...energy.
Mechanical
Name a machine that works using energy from people
Scissors
Screwdriver
Wheelbarrow
List two renewable energy sources.
Wind
Water
Sunlight
Wood
Lorry
Phone
Screwdriver
Refrigerator
Computer
Stove
List two examples of non-renewable energy.
Fossil fuels
Coal
Natural gas
Oil - gasoline, diesel