Q1T1: Intro to Environmental Science

Question 1

The area between two crests or troughs is called a

Answer 1

wavelength

Question 2

the bottom part of a wave

Answer 2

trough

Question 3

the length between a crest and the equilibrium or a trough and the equilibrium

Answer 3

amplitude

Question 4

What is it called when a certain number of waves pass a given point per a certain number of seconds?

Answer 4

frequency

Question 5

What is another name for wave height?

Answer 5

amplitude

Question 6

refraction, reflection, or diffraction

You can hear sounds outside a room as you approach the doorway.

Answer 6

Diffraction

Question 7

refraction, reflection, or diffraction

You can see your own image in the mirror

Answer 7

Reflection

Question 8

refraction, reflection, or diffraction

You can see scattered light bands when a flashlight is shined through a small slit or opening in the material

Answer 8

Diffraction

Question 9

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.

Answer 9

Refraction

Question 10

which of the following has the shortest wavelength?

a. red light
b. yellow light
c. green light
d. blue light

Answer 10

d. blue light

Question 11

refraction, reflection, or diffraction

You can hear an echo when you yell into a valley

Answer 11

Reflection

Question 12

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

Answer 12

b. transverse waves have crests and troughs

Question 13

Which of the following is not a transverse wave?

a. light waves
b. water waves
c. sound waves
d. electromagnetic waves

Answer 13

c. sound waves

Question 14

As freqency increases, ________ decreases.

a. amplitude
b. wavelength
c. frequency
d. trough

Answer 14

b. wavelength

Question 15

t/f

The speed of sound is 3 x 10^8 m/s

Answer 15

false

Question 16

t/f

The speed of light is 300,000,000 ft/lb.

Answer 16

false

Question 17

t/f

A nanometer is smaller than a meter.

Answer 17

true

Question 18

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?

Answer 18

3 cycle wave

Question 19

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?

Answer 19

one cycle wave

Question 20

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?

Answer 20

three cycle wave

Question 21

Which of the following is a primary consumer?

a. coyote
b. jackrabbit
c. grasses
d. none

Answer 21

b. jackrabbit

Question 22

Which of the following is a producer?

a. coyote
b. jackrabbit
c. grasses
d. none

Answer 22

c. grasses

Question 23

Which of the following is a decomposer?

a. coyote
b. jackrabbit
c. grasses
d. none

Answer 23

d. none

Question 24

Which of the following is an abiotic factor?

a. coyote
b. wind
c. grasses
d. jackrabbit

Answer 24

b. wind

Question 25

Which of the following is a biotic factor?

a. coyote
b. wind
c. soil
d. sun

Answer 25

a. coyote

Question 26

Which of the following best describes the total number of grasses?

a. community
b. population
c. ecosystem
d. species

Answer 26

b. population

Question 27

Which of the following best describes the butterflies, flycathers, pronghorn, and coyote?

a. community
b. population
c. ecosystem
d. species

Answer 27

a. community

Question 28

Which of the following best describes the animals and plants as well as the nonliving factors?

a. community
b. population
c. ecosystem
d. species

Answer 28

c. ecosystem

Question 29

The branch of biology that deals with the environment and the interaction of organisms in it is

Answer 29

ecology

Question 30

In a community, producers are ______ which convert light energy to chemical energy in a process called ______.

Answer 30

autotrophs, photosynthesis

Question 31

In addition to producers and consumers, healthy communities must have _______, such as bacteria and fungi, which recycle detritus.

Answer 31

decomposers

Question 32

Each organism has its own _____ or function in a community, and is part of the _____ or web of life.

Answer 32

niche, food chain

Question 33

this term is used to describe the area where all living things live on Earth

Answer 33

biosphere

Question 34

cows are a good example of _____ consumers because they are _____.

Answer 34

secondary, grass eaters

Question 35

The _____ is the maximum number of individuals that a habitat can support.

Answer 35

carrying capacity

Question 36

The sign λ represents wavelength and is called

Answer 36

lambda

Question 37

A wave with a frequency of 14Hz has a wavelength of 3 meters. At what speed will this wave travel?

Answer 37

14x3=42m/s

Question 38

a wave frequency is 900Hz and wavelength is 200m. What is the wave speed?

Answer 38

900x200=180,000m/s.

Question 39

The law of reflection states that the angle of _____ equals the angle of _____ from the normal.

Answer 39

incidence, reflection

Question 40

a wave with a frequency of 500Hz is traveling at a speed of 200m/s. What is the wavelength?

Answer 40

V=λ x f

200=λx500

λ= 2/5=0.4 meters