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WorksheetsMundt/Can I believe me eyes? Lessons 12-13
Total questions: 28
Worksheet time: 15mins
This wave has the shortest wavelength.
Radio waves
Microwaves
Infrared waves
Gamma waves
These are the only waves our eyes can see.
Gamma waves
X-rays
Ultraviolet Waves
Light Waves
This image best explains which concept?
How the eye sees an object.
How a red object appears red.
How sunlight is needed to see all things.
How sunlight is white light.
This type of wave is needed for wifi and cell phones.
Infrared waves
Microwaves
Ultraviolet waves
Gamma waves
Which wave is needed to see the bones in a body or objects hidden underground?
Gamma Rays
Light Waves
Radio Waves
X-ray waves
What is letter a. called?
Crest
Trough
Wavelength
Wave
What is letter b. called?
Crest
Trough
Wavelength
Wave
What is letter c. called?
Crest
Trough
Wavelength
Wave
Which image has the longest wavelength?
Which image has the shortest wavelength?
Which wave cause sunburn AND skin cancer?
Light waves
Radio waves
Ultraviolet waves
Infrared waves
Which waves can we feel as heat?
Infrared waves
Microwaves
Light waves
Ultraviolet waves
Visible light waves are the only light waves humans can see.
True
False
Unknown
I don't know
Which of these waves are visible to humans?
Light waves
Ultraviolet waves
Infrared waves
Microwaves
What type of electromagnetic wave is used in microwaves?
Radio waves
Microwaves
Infrared waves
Ultraviolet waves
How does a microwave heat your food?
The waves heat up the food.
The waves heat up the air around the food.
The waves heat up the container the food is in.
The waves heat up the water in the food.
The human eye can detect wavelengths within a certain range.
400-700nm
4-700nm
40-70nm
400-1000nm
How does Sunscreen protect your skin?
It blocks harmful ultraviolet waves.
It blocks harmful infrared waves.
It blocks harmful microwaves.
It blocks harmful gamma waves.
SPF or the sun protection factor provides the same protection for everyone.
True, skin is skin, the color does not matter.
False, dark skin burns easier than light skin.
False, light skin burns easier than dark skin.
False, tan skin burns easier than untanned skin.
What two ways can Sunscreens protect the skin?
by absorbing harmful waves.
by blocking harmful waves.
by chemically changing harmful waves.
by making harmful waves stronger to pass through the body.
Which wave has the longest wavelength?
Which wave is used in thermal imaging and to change to channel on the television.
Radio waves
Microwaves
Infrared waves
X-ray waves
What are the longest electromagnetic waves the size of?
water bottles
cars
mountains
human cells
One nm or nanometer is the size of
too small for the human eye to see
a tip of a pencil
a water bottle
a car
Which are the true statements about red light and infrared light?
Red light is visible and infrared light is invisible.
Infrared light's wavelength is longer than red's wavelength.
Red light feels like heat.
Infrared light feels like heat.
If it normally takes 10 minutes for the sun to change your skin color, how much protection will you get from SPF 30?
13 minutes
40 minutes
300 minutes
3000 minutes
If it normally takes 2 minutes for the sun to change your skin color, how much protection will you get from SPF 15?
10 minutes
17 minutes
30 minutes
300 minutes
Why does the sky look blue?
oxygen and nitrogen in the atmosphere absorb blue light
oxygen and nitrogen in the atmosphere scatter blue light
oxygen and nitrogen are chemicals in the sky
oxygen and nitrogen are opaque
