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- 1. Multiple Choice
Visible light occupies the range of wavelengths from 380 to 790 nanometers in the electromagnetic spectrum. Which of the following kinds of electromagnetic radiation has shorter wavelength than visible light?
radio waves
X-rays
infrared radiation
microwaves
- 2. Multiple Choice
Glen is explaining the relationship between the wavelength and frequency of electromagnetic radiation to his friend, Harold. Which of the following would be a correct explanation of this relationship?
The frequency of a wave is not related to its wavelength.
If a wave has a long wavelength, it will have a low frequency.
If a wave has a low frequency, it will have an equally low wavelength.
All electromagnetic waves have the same frequency, but different wavelengths
- 3. Multiple Choice
Sunlight is composed of energy that is visible to humans and energy that is not visible to humans. Which statement describes how the visible energy from the Sun is different from the non visible energy?
It travels at a different speed.
It travels a different distance.
It has different wavelengths.
It has different amplitudes.
- 4. Multiple Choice
Wavelength, frequency, and energy are related. What happens to the Energy in the wave as its wavelength gets shorter?
Its frequency and energy increase
Its frequency and energy decrease
Its frequency increases while its energy decreases
Its frequency decreases while its energy increases
- 5. Multiple Choice
What is the term used to describe the maximum distance that a sound wave displaces air molecules from their original undisturbed position?
amplitude
speed
frequency
wavelength
- 6. Multiple Choice
Microwave ovens employ microwaves to quickly reheat or cook a wide variety of foods. While foods get hot when a microwave is turned on, the walls of a microwave oven do not. What is the most likely explanation of this?
Many foods diffract microwaves, while the walls of a microwave oven refract them.
Many foods refract microwaves, while the walls of a microwave oven diffract them.
Many foods absorb microwaves, while the walls of a microwave oven reflect them.
Many foods reflect microwaves, while the walls of a microwave oven absorb them.
- 7. Multiple Choice
X-rays are used in medical applications to produce images of bones, tissues, and organs. X-rays are capable of penetrating tissues such as skin, but are less capable of penetrating bone. This property of X-rays derives from which characteristic of the rays?
their short wavelengths
their long wavelengths
their small amplitudes
their large amplitudes
- 8. Multiple Choice
Which of these is the least energetic form of electromagnetic radiation?
microwaves
gamma rays
visible light
radio waves
- 9. Multiple Choice
Florida’s nickname is “The Sunshine State”. Which type of electromagnetic waves can be harmful to Floridians who spend time outside in the sunshine?
X-rays
Visible light
Gamma rays
Ultraviolet radiation
- 10. Multiple Choice
Some planetary images and satellite photographs are made using visible light. Other images are made with radiation from the non-visible portions of the electromagnetic spectrum. Why do scientists study images made with parts of the electromagnetic spectrum other than visible light?
These images are the only way to observe galaxies beyond our own
These images reveal information that visible light does not show
These images show important data from optical telescopes
These images are the only way to observe space from Earth’s surface
- 11. Multiple Choice
Examine the Blackbody Curve. What type of electromagnetic radiation is Star A emitting the most?
Visible Light
Infrared Light
Ultraviolet Light
X-ray
- 12. Multiple Choice
The picture shows a scan of a nebula. There are two images. One image was created using visible light and the other using infrared light. Notice the two arrows point to two celestial objects in the infrared image. These two celestial objects are believed to be newly developed stars. Which of the following reason are the two celestial objects visible only in the infrared image?
The infrared image detects brighter objects.
The visible light image detects bright objects.
The two celestial objects give off more infrared light than visible light.
The two celestial objects give off more visible light than infrared light.
- 13. Multiple Choice
Which elements are present in this star?
Calcium and Hydrogen
Hydrogen and Iron
Iron and Magnesium
Hydrogen and Magnesium
- 14. Multiple Choice
Which of the following is NOT a tool used to observe the electromagnetic spectrum?
Spectrometer
Radio telescope
X-ray telescope
Electron microscope
- 15. Multiple Choice
What is a constellation?
A grouping of several thousands of stars that forms a recognizalbe pattern.
A grouping of several stars that forms a recognizable pattern.
A collection of several galaxies.
A collection of several solar systems.
- 16. Multiple Choice
When stargazing the stars appear to move from __________________.
east to west
west to east
north to west
south to west
- 17. Multiple Choice
Constellations are important reference points for locating
planets
comets
stars
All of the above
- 18. Multiple Choice
What is the celestial sphere?
Earth's Southern Hemisphere
an imaginary transparent grid on Earth’s surface
an imaginary transparent grid in the sky at night
an imaginary transparent grid outside the solar system
- 19. Multiple Choice
Examine the picture. What does label "C" represent on the diagram above?
Declination
Altitude
Azimuth
Zenith
- 20. Multiple Choice
Examine the picture. What does label "A" represent on the diagram above?
Declination
Right Ascension
Azimuth
Altitude
- 21. Multiple Choice
Which type of electromagnetic wave has the longest wavelength?
infrared
ultraviolet
green visible light
x-rays
- 22. Multiple Choice
Which type of visible light has the MOST energy?
green
red
orange
blue
- 23. Multiple Choice
All forms of electromagnetic radiation _____________.
have the same frequency.
have the same wavelength.
move at the same speed.
have the same amount of energy.
- 24. Multiple Choice
As the wavelength of an electromagnetic wave decreases, frequency ___________.
increases
decreases
stays the same
is unrelated to wavelength
- 25. Multiple Choice
Which type of EM radiation do you detect with your eyes?
infrared
ultraviolet
microwave
visible
- 26. Multiple Choice
Which type of light has the highest frequency?
violet
indigo
blue
green
- 27. Multiple Choice
Of the 4 types listed below, which type of EM Radiation has the shortest wavelength?
microwaves
infrared
ultraviolet rays
radio
- 28. Multiple Choice
The term "light" refers to:
only visible light.
infrared, visible light and ultraviolet.
all forms of EM.
Only EM that can be seen.
- 29. Multiple Choice
Why do space telescopes take better pictures?
They are higher up.
They can take pictures even during the day.
They are outside the Earth's atmosphere.
The light from the Sun is blocked by the shadow of the Earth.
- 30. Multiple Choice
What forms of EM are filtered by our atmosphere?
infrared, visible and ultraviolet.
ultraviolet, x-ray and gamma ray.
visible, ultraviolet and x-ray.
microwave, infrared and visible.
- 31. Multiple Choice
Which type of telescope could NOT be used on the surface of the Earth?
microwave
infrared
radio
ultraviolet
- 32. Multiple Choice
Infrared light cannot be seen, but can be:
heard as a beeping
felt as heat
tasted like bananas
smelled like a rose
- 33. Multiple Choice
Telescopes that detect radiation outside of visible are created because...
they detect images we cannot normally see.
they look cool.
they detect sounds we cannot normally hear.
they detect messages from alien species.
- 34. Multiple Choice
The information that tells you how far right or left to move your telescope is called:
right ascension
left ascension
declination
azimuth
- 35. Multiple Choice
The information that tells you how far up or down to move your telescope is called:
right ascension
left ascension
declination
longitude
- 36. Multiple Choice
The main purpose of a constellation is to:
tell stories
share history
remind people of their heritage
help people find objects in the sky
- 37. Multiple Choice
The imaginary sphere that helps identify locations in the sky is called the
celestial equator
prime meridian
north pole
celestial sphere
- 38. Multiple Choice
What phase of the moon would be visible from Earth when the Moon is at position 8?
waxing crescent
waning crescent
waxing gibbous
waning gibbous
- 39. Multiple Choice
Where would the moon have to be in order for people on Earth to see a lunar eclipse?
position 1
position 3
Position 5
Position 7
- 40. Multiple Choice
When would you expect to see a crescent moon in the sky?
When the moon is at positions 1 and 5.
When the moon is at positions 2 and 8.
When the moon is at positions 3 and 7.
When the moon is at positions 4 and 6.
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