Basic Electromagnetic radiation
What is electromagnetic radiation?
The energy that travels in waves through space
What type of electromagnetic wave does Wi-Fi use?
Radio waves
What technology uses radio waves to provide internet in schools?
Wifi
Name one positive effect of radio waves.
By transmitting information or enabling communication
What device uses radio waves to connect devices wirelessly?
Wi-Fi routers
Can electromagnetic waves travel through a vaccum
Yes
Which wave causes sunburn?
Ultraviolet light(UV)
What kind of radiation do interactive whiteboards use to detect touch?
Infared Radiation
Are typical radio wave exposure levels safe for humans?
Yes
What classroom technology magnifies images using visible light?
Projector
What two types of energy make up electromagnetic waves?
Electric and magnetic energy
Which radiation is used in remote controls?
Infared
What type of electromagnetic radiation do projectors use?
Visible light
What can happen if radio waves are strong enough to cause heating?
Tissue Damage
Which technology uses infrared sensors to detect touch?
Interactive Whiteboard
Do electromagnetic waves need air to travel?
No
What kind of electromagnetic radiation is used in microwave ovens?
Microwaves
How do interactive whiteboards help in learning?
By allowing users to write, draw, and interact directly with lessons
Which parts of the body are more vulnerable to heating from radio waves?
The eyes and reproductive organs
According to Health Canada, what kind of fields does Wi-Fi equipment emit?
radiofrequency electromagnetic fields (EMF)
Name a type of electromagnetic radiation visible to the human eye.
Visible light
What radiation is used to see bones in hospitals?
X-rays
Name two ways electromagnetic radiation makes learning more effective.
By making lessons interactive and helping use technology like Wi-Fi and projectors
Does radio wave radiation directly damage DNA like ionizing radiation?
No