EMS
These are the different types of waves that come from the sun.
Electromagnetic Waves
Wavelength is the measured between the distance of these ....
Peaks of waves
Reflected light moves through this into the eye.
Lens
White light.
What are the 3 primary colours of light?
Red, Green and Blue
How many different types of electormagnetic waves are there?
7 different types
Radio Waves
The lens bends and focuses the light onto this.
Retina
True or False: White light is made up of all the colours of the rainbow.
True!
A frog looks green because when sunlight hits the frog, the frog ___________ all the colours EXCEPT green.
A: absorbs
B: reflects
A: absorbs
These waves have the longest wave lengths.
Radio and TV waves
Ultraviolet waves
The retina receives the image and sends a signal to this about the image.
Brain
True or False: White light is also called VISIBLE Light.
True!
The green light from the frog is _____________ from the frog and into your eye.
a. Absorbed
b. Reflected
B. Reflected
These waves are used to help cure diseases.
Gamma Waves
If something allows a little bit of light to go through it, it is called this.
Translucent
This type of light is what moves through the lens.
Reflected light.
True or False: When light is absorbed by an object, the light energy is transferred to the object.
True
absence
What are the 7 waves that make up Visible Waves?
Red, Orange, Yellow, Green, Blue, Indigo, and Violet
To make a shadow, you must use material that is this.
Opaque
Name 3 ways we can protect our eyes.
1. Don't stare into the sun or bright lights
2. Wear sunglasses.
3. Wear protective glasses when working with dangerous materials.
4. Get our eyes checked regularly.
5. Eat healthy foods.
If you hold a prism up to the light, what would you see?
The colours of the rainbow.
Black paint _____________ all the colours of the rainbow and NO light is reflected from black to the eye.
absorbs