Solar energy
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. directcurrent
A. An electric ___ that flows in one ___ steadily
2. energy
B. Moving air
3. renewable
C. Energy associated with electric charges, used to power lights and devices.
4. sun
D. The power to do work or make things move
5. wavelength
E. Relating to the motion of material bodies and the forces associated therewith
6. electricity
F. To pay close attention to one thing
7. wind
G. The transfer of heat through a fluid caused by molecular motion
8. light
H. The star our planet orbits
9. photon
I. Capable of being ___
10. convection
J. What lets us see; the opposite of dark
11. focus
K. To send out rays or waves
12. kinetic
L. A quantum of electromagnetic radiation
13. radiate
M. The distance between two points in the same phase in consecutive cycles of a wave