Science momints

Select ALL THAT APPLY: What does over-exposure to UV Rays Cause?

• Eye Damage

• Skin Cancer

• Broken Bones

• Wrinkles

• lung cancer

Television signals are carried by

• infrared waves

• ultraviolet waves

• radio waves

• microwaves

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low

• low, high

• low, low

• high, high

X-ray are electromagnetic radiation that differentially penetrates structures within the body and creates images of these structures on photographic film or a fluorescent screen. These images are called diagnostic x-rays. Which among the statements below is NOT true?

• Diagnostic x-rays are useful in detecting abnormalities within the body.

• They are created when an electric current is passed through a vacuum tube.

• They are non-invasive way to help diagnose problems such as broken bones, tumors, dental decay, and the presence of foreign bodies though only painful.

• X-rays are form of radiation similar to light rays except that they are more energetic than light rays and are invisible to the human eye.

If an object appears black, this means all 7 colors of the visible light spectrum are _____

• reflected

• diffracted

• absorbed

What is NOT part of the electromagnetic spectrum?

• Visible light 
• X rays 
• Gamma Rays
• Magnetic Rays

Which portion of the electromagnetic spectrum includes the range of light that can be detected by the human eye? 

• ultraviolet light

• visible light

• infrared light

which wavelength gives you sunburn? 

• radio 
• microwaves
• infra red 
• Ultra violet 

Which electromagnetic waves allow us to diagnose & treat cancer?

• Gamma rays

• X-rays

• Ultraviolet rays

Does the frog reflect or absorb green?

• Reflect
• Absorb