WorksheetsEnergy - What do we know?
Total questions: 20
Worksheet time: 4mins
Can energy be destroyed or created?
yes
no
Fossil fuels include:
Natural Gas
Coal
Petroleum
All of the above
Which sector of society uses the most energy?
Residential
Industry
Transport
Commerce
Electrical energy can be obtained from which of the following?
Mechanical energy
Thermal Energy
Chemical Energy
All of the above
Solar, geothermal, wind, biomass, and hydropower are considered renewable because they:
convert directly into heat and electricity
are replenished by nature within a relatively short span of time
are free to use
do not produce pollution
Compared to fluorescent bulbs, incandescent light bulbs:
use less energy
use the same amount of energy
use more energy
are always brighter and last longer
Global warming primarily is concerned with the increase of which gas in the atmosphere?
Carbon Dioxide
Oxygen
Nitrogen oxides
Sulfur oxides
Electricity is the movement of:
atoms
neutrons
molecules
charged particles, such as electrons and ions
Which fossil fuel is refined to make gasoline?
Natural gas
Oil
Coal
Energy conversions most often produce:
motion
heat
light
sound
Your home will be more energy efficient if : (more than one correct answers)
have ductwork located in the attic and crawlspace
use double paned windows
use black out curtains and window coverings
place your heating cooling unit in basement
In Australia, on which side of the house should you put solar panels to collect the most energy from the Sun?
North
South
East
West
We classify heat as a type of ____________ energy because ____________.
kinetic; it can move from one object to another
kinetic; the atoms in hot things move faster than in cold things
potential; we store it in objects when they get hotter and hotter
potential; though it doesn’t involve movement itself, it can make things move, like a hot air balloon
Conduction is __________ mode of transfer of heat
direct
indirect
Which of the following is the mode of transfer of heat ?
Conduction
Convection
Radiation
All of the above
Which color absorb more light?
Black
White
Which of the following solids do you think would be the best conductor?
Glass
Iron
Rubber
Plastic
Which type of glazing is more efficient in cooling down the building?
Single glazing
Double Glazing
No glazing
Which of the following is a good idea for saving electricity through energy conservation?
Allow your computer to be on constantly.
Plug electronic devices directly into an outlet instead of a power strip.
Turn off lights when you leave a room.
Replace compact fluorescent bulbs with incandescent bulbs.
Give two things that you can do to reduce cooling costs at your homes
