Radiation

True or false, all electromagnetic waves come from the sun and other stars 

• True
• False 

The sky looks blue because sunlight is _____ or scattered when it passes through Earth's atmosphere 

• Refracted 
• Diffracted 
• Reflected 

______ is what happens when a light wave changes directions as it passes from one medium to another 

• Diffraction
• Refraction 
• Reflection 

A _______ is produced when light bounces off of an object 

• Reflection
• Diffraction 
• Refraction 

______ waves are damaging to human skin and can cause skin cancer 

• Ultraviolet 
• Infrared 
• Microwaves 
• X-rays

Tags

NGSS.HS-PS4-4

The warmth we feel from the sun and heaters, comes in the form ______ waves 

• Ultraviolet 
• Infrared 
• Microwaves 
• X-rays

What protects Earth from damaging UV waves?

• The ozone layer 
• sunscreen 
• The ocean 
• Nothing 

True or false, humans can see infrared waves 

• true 
• false 

true or false, humans can see ultraviolet waves 

• true 
• false 

The electromagnetic spectrum organizes electromagnetic waves by ______

• wavelength 
• brightness 
• amplitude 
• temperature