Page 317 - (DK) The Ultimate Visual Dictionary 2nd Ed.

ENERGY
ENERGY SYSTEMS Sun radiates about 300 million million
THE SUN million J of energy each second
Electromagnetic Electromagnetic radiation of
radiation emanates about 100 thousand million
in all directions million J reaches Earth from
from Sun Sun each second Leaves trap light
energy from Sun,
converting it to
Energy of chemical energy
electromagnetic of sugar by
radiation is stored Nuclear photosynthesis
in oil, a fossil fuel, reactions in
retrieved by oil rig Sun’s core convert Chemical energy in
mass to energy wood is released as
OIL RIG
heat, light, and
TREE sound by burning
Sun’s energy converted
to chemical energy in
photosynthesis, which
builds sugars in grasses
Waste heat given off
CROPS
Power station releases
chemical energy by burning Human gains
oil to produce heat chemical energy
from eating plants
Heat turns water to or animals
steam, which drives BURNING WOOD
a turbine to produce
electrical energy

OIL-FIRED Electrical energy
POWER STATION transmitted to homes COW
via high-tension wires
Bicycle and rider
Cow breaks down sugars in grasses, gain gravitational
releasing some energy as heat
potential energy
House supplied by climbing
with electrical HUMAN a hill
energy
Waste
heat ENERGY KEY:
given
off Chemical
energy in rider’s Electromagnetic
muscles used to give radiation
bicycle kinetic energy
A television uses Electrical energy is Chemical
about 150 J of converted to kinetic
electrical energy energy of moving
each second, air in a hairdryer Electrical
given off as heat,
light, and sound
In a washing Heat
machine,
HOUSE HOUSEHOLD APPLIANCES
electrical energy
Microwave oven changes to heat, Sound
CAR kinetic energy,
uses electrical
energy to heat food, and sound
using about 700 J Light
Chemical energy each second
from gasoline used
to power car—one Kinetic
gallon of gasoline
releases up to 83
million J Potential
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