Frequency
Which frequency is the lowest?
Radio Waves
How many colors of light are there?
7 colors
Red, Orange, Yellow, Green, Blue, Indigo, Violet/Purple.
What is the highest wavelength?
Gamma Ray
What is amplitude?
The height of a wave crest to the rest position
The frequency is…
The number of waves that pass at a given time
How fast is light?
300,000km per second
What is a microwave?
An electrical object that heats up your food.
The top is the __, and the bottom is the ___.
The top is the crest, and the bottom is the trough.
Does light need a medium to transmit it?
No. It can travel through a vacuum.
The sunlight sends _____ that absorbs to your skin.
Ultraviolet waves
It takes 4 years to get from where?
the nearest star to earth. (Proxima Centauri)
What wavelength is normally used in hospitals?
X-Ray
Why is water blue? (Yes this is connected to light, think thoroughly)
The water reflects the sky
True or false: Iron man is a fictional character that uses gamma rays?
False,
Real answer: Hulk uses gamma rays.