1. What do we call a change from one form of energy to another form?
A. energy change
B. energy conversion
C. energy transformation
D. energy creation
- Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.
2. Microwaves, ultraviolet rays, infrared, Waves are examples of?
A chemical energy
C. light energy
B. electrical energy
D. nuclear energy
- Light is part of a spectrum of electromagnetic energy that includes radio waves, microwaves, infrared radiation, visible light, ultraviolet "light", x rays, and gamma rays. Electromagnetic energy travels as waves that vary in wavelength.
4. What energy transformation does a lighted fluorescent lamp produced
A chemical to light energy transformation
B. electrical to light energy transformation
C. heat to light energy transformation
D. mechanical to light energy transformation
- In the case of the light bulb, electrical energy is being transformed into light and thermal (heat) energy.
5. What electrical device will be used to flatten our crumpled clothes
A. blender
B. Flat iron
C. Coven
D. polisher
- FLAT IRON - is a device used to flatten our crumpled clothes .
(sorry I can't answer n.o 3)
