Spectrum Basics
This is the name for all types of electromagnetic waves together.
What is the electromagnetic spectrum?
These waves let us see colours.
What is visible light?
The EM wave your TV remote control uses.
What is infrared?
This length of wavelength creates brighter colours.
What is higher wavelengths?
All electromagnetic radiation is visible to the human eye.
False
These waves can travel through empty space.
What are electromagnetic waves?
Doctors use these waves to see broken bones.
What are X-rays?
These waves help doctors treat cancer.
What are gamma rays?
This animal can see ultraviolet lights.
What are bees.
Energy increases with frequency and decreases with wavelength.
True
These waves move at the fastest speed in the universe.
What is the speed of light?
These waves are used in microwave ovens.
What are microwaves?
These waves cook food quickly in kitchens.
What are microwaves?
This type of light has enough energy to burn skin.
What is ultraviolet ligh?
All E.M waves travel at the speed of light.
True
The distance between two wave peaks is called this.
What is wavelength?
These waves are used in TV and radio signals.
What are radio waves?
These waves help satellites send signals to Earth.
What are radio waves?
This type of wave cooks food.
What is the microwave?
All warm objects emit infrared radiation.
True
The number of waves that pass a point each second.
What is frequency?
These waves from the sun can cause sunburns.
What are ultraviolet waves?
These waves allow us to see rainbows and colours.
What is visible light?
The colour with the longest wave.
What is the colour red?
Gamma waves have lower energy than radio waves
False