Extensive Reading-Book A Unit 37 (E)
20 카드 | CompassPublishing
세트공유
abundant
copious supply or quantity
Since the U.S. has abundant resources, it is able to enjoy many luxuries.
atmosphere
the gaseous envelope surrounding the earth
Our atmosphere is what helps us survive the dangerous sunlight.
cellular
pertaining to or characterized by cellules or cells
There was a lot of cellular activity as soon as we fed him vitamins.
chlorophyll
the green coloring matter of leaves and plants, essential to the production of carbohydrates by photosynthesis
Within the chlorophyll, the light photons are converted into energy packets for the plant to use.
chloroplast
a plastid containing chlorophyll
chloroplast contains the chlorophyll of which energy is made.
compound
form by mixing and joining
Mixing two or many elements together will eventually create a new compound.
dissociate
sever the connection of
After we got into that fight, he dissociated himself from me.
electron
an elementary particle that is a fundamental constituent of matter, having a negative charge
electrons are present outside of the atomic nucleus.
imply
suggest or indicate without expressing directly
The professor seemed to imply the answer in his explanation.
independent
not contingent on something else for existence
After living by myself for many years, I’m quite independent on household chores.
molecule
the smallest possible physical unit
These molecules make up the water atom.
photon
a quantum of electromagnetic radiation
Plants use light photons to convert it to energy.
pigment
coloring matter
His skin pigment was light brown.
proportional
the relation of one thing to another in respect to size, degree, or quantity
The circle, when cut in half, is proportional on both sides.
reduction
the act of reducing or the state of being reduced
When people are situated in one place, muscles go through reduction to minimize the use of energy.
reflect
throw back as rays of light
As I placed the mirror against the sun, the light was reflected off the mirror.
release
set free or unfasten
In Free Willy, the young boy released the shamu whale into the open waters.
sunlight
the light of the sun
sunlight is the most abundant source of energy on earth.
trigger
to initiate
As soon the chemical hit the reactant, it triggered a reaction.
wavelength
the distance, measured in the direction of propagation of a wave, between two successive points in the wave
Depending on the wavelength, you can manipulate the pitch of the sound.
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