What’s More
Let's try this activity!
Directions: Write TRUE if the statement is correct but if it is FALSE, change the underlined
word or group of words to make the whole statement true.
of
1. Electromagnetic spectrum is used to describe the transfer
energy in the form of EM wave.
2. Radio waves are used to transmit sound and picture information over
long distances.
3. Radar is the acronym of radio detection and ringing.
4. Infrared is used to transmit television news coverage from mobile
broadcast vehicles back to the station.
5. Cellphone is a radio transmitter and receiver that uses microwaves.
6. Autofocus camera has a transmitter that sends out infrared pulses.
7. Harald Haas was the one who discovered infrared radiation.
8. Visible light can be used as an ID system in different places such as
buildings and subways.
9. Radar is a way of detecting aircrafts and ships from a distance and
estimating their locations.
10. The radio waves share the thinnest slice in the electromagnetic
spectrum​