Q1T1: Intro to Environmental Science Flashcards
The area between two crests or troughs is called a
wavelength
the bottom part of a wave
trough
the length between a crest and the equilibrium or a trough and the equilibrium
amplitude
What is it called when a certain number of waves pass a given point per a certain number of seconds?
frequency
What is another name for wave height?
amplitude
refraction, reflection, or diffraction
You can hear sounds outside a room as you approach the doorway.
Diffraction
refraction, reflection, or diffraction
You can see your own image in the mirror
Reflection
refraction, reflection, or diffraction
You can see scattered light bands when a flashlight is shined through a small slit or opening in the material
Diffraction
refraction, reflection, or diffraction
The object in the water seems to disappear or look broken from what it is actually is when it is not in water.
Refraction
which of the following has the shortest wavelength?
a. red light
b. yellow light
c. green light
d. blue light
d. blue light
refraction, reflection, or diffraction
You can hear an echo when you yell into a valley
Reflection
Which of the following is true?
a. transverse waves have compressions and rarefactions
b. transverse waves have crests and troughs
c. longitudinal waves have compressions and rarefactions
d. longitudinal waves have crests and troughs
b. transverse waves have crests and troughs
Which of the following is not a transverse wave?
a. light waves
b. water waves
c. sound waves
d. electromagnetic waves
c. sound waves
As freqency increases, ________ decreases.
a. amplitude
b. wavelength
c. frequency
d. trough
b. wavelength
t/f
The speed of sound is 3 x 10^8 m/s
false
t/f
The speed of light is 300,000,000 ft/lb.
false
t/f
A nanometer is smaller than a meter.
true
If a one-cycle wave travels at a speed of 1 second and a three-cycle wave travels at a speed of 1 second, which wave has a higher frequency?
3 cycle wave
If a one-cycle wave travels at a speed of 1 second and a three-cycle wave travels at a speed of 1 second, which wave has a longer wavelength?
one cycle wave
If a one-cycle wave travels at a speed of 1 second and a three-cycle wave travels at a speed of 1 second, which wave has a larger amplitude?
three cycle wave
Which of the following is a primary consumer?
a. coyote
b. jackrabbit
c. grasses
d. none
b. jackrabbit
Which of the following is a producer?
a. coyote
b. jackrabbit
c. grasses
d. none
c. grasses
Which of the following is a decomposer?
a. coyote
b. jackrabbit
c. grasses
d. none
d. none
Which of the following is an abiotic factor?
a. coyote
b. wind
c. grasses
d. jackrabbit
b. wind
Which of the following is a biotic factor?
a. coyote
b. wind
c. soil
d. sun
a. coyote
Which of the following best describes the total number of grasses?
a. community
b. population
c. ecosystem
d. species
b. population
Which of the following best describes the butterflies, flycathers, pronghorn, and coyote?
a. community
b. population
c. ecosystem
d. species
a. community
Which of the following best describes the animals and plants as well as the nonliving factors?
a. community
b. population
c. ecosystem
d. species
c. ecosystem
The branch of biology that deals with the environment and the interaction of organisms in it is
ecology
In a community, producers are ______ which convert light energy to chemical energy in a process called ______.
autotrophs, photosynthesis
In addition to producers and consumers, healthy communities must have _______, such as bacteria and fungi, which recycle detritus.
decomposers
Each organism has its own _____ or function in a community, and is part of the _____ or web of life.
niche, food chain
this term is used to describe the area where all living things live on Earth
biosphere
cows are a good example of _____ consumers because they are _____.
secondary, grass eaters
The _____ is the maximum number of individuals that a habitat can support.
carrying capacity
The sign λ represents wavelength and is called
lambda
A wave with a frequency of 14Hz has a wavelength of 3 meters. At what speed will this wave travel?
14x3=42m/s
a wave frequency is 900Hz and wavelength is 200m. What is the wave speed?
900x200=180,000m/s.
The law of reflection states that the angle of _____ equals the angle of _____ from the normal.
incidence, reflection
a wave with a frequency of 500Hz is traveling at a speed of 200m/s. What is the wavelength?
V=λ x f
200=λx500
λ= 2/5=0.4 meters
