2. Uses of Mechanical Energy
• When muscles move, mechanical energy
makes you work. Without mechanical energy
you cannot accomplish your work.
3. Uses of Chemical Energy
• Chemical energy of food from plants sustains
life. The chemical energy of food is turned into
body energy, which makes living things grow.
• Gasoline and other fuels are used to run
engines of vehicles and other machines.
• Chemists make use of the chemical energy of
substances to make new products.
4. Uses of Electrical Energy
• Electric current provides the energy of labor-
saving appliances.
• Electric current provides light to our streets,
homes, schools, and offices.
• Electrical energy turns motors and drives
machinery.
5. Uses of Sound Energy
• We communicate and understand each other
through our voices.
• Sounds from musical instruments and singers
voices inspires us.
• Sound energy can serve as warning signs.
• Sound waves can detect and determine the
location, size and relative motion of
underwater objects.
6. • Stethoscope and ultrasound machines make
use of sound to detect abnormalities of organs
and fetus inside the body.
7. Uses of Radiant Energy
• It is captured by plants through their leaves to
make food.
• Used to detect radio frequency radiation.
• Makes communication possible even in outer
space.
8. Uses of Nuclear Energy
• For destructive purposes
• Useful applications in the generation of
electrical power, in the treatment of cancer
and other diseases
• Generates electricity
• Doctors use radiosotopes to diagnose and
treat patients suffering from tumors, thyroid
irregularities and cancer
