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Science Vocabulary #1

Based on a definition, try to guess these vocabulary words from the world of science.
To make it easier, we give you the first letter of the answer
Quiz by Quizmaster
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Featured Quiz
Last updated: May 18, 2016
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First submittedMay 17, 2016
Times taken35,826
Rating4.20
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Definition
Letter
Word
An animal that eats both plants and meat
O
Omnivore
The colored portion of the eye
I
Iris
The process by which species become new species
E
Evolution
The outermost layer of skin
E
Epidermis
Ring-shaped coral reef that encircles a lagoon
A
Atoll
Addictive stimulant found in tobacco
N
Nicotine
The energy required to heat 1 gram of water by 1 °C
C
Calorie
A substance that increases the rate of a chemical reaction
C
Catalyst
Air resistance or fluid resistance
D
Drag
An atom or molecule that has an electrical charge
I
Ion
The tendency of a body to remain in motion or to remain stationary
I
Inertia
Unit of electrical potential
V
Volt
Chemical compound with the formula NH3
A
Ammonia
Fungus that will turn sugars into alcohol
Y
Yeast
Name for the process described above
F
Fermentation
Inflammation of the gums
G
Gingivitis
The value that occurs most frequently in a set
M
Mode
Pertaining to the kidneys
R
Renal
Day in which the sun is directly over the Earth's equator
E
Equinox
Sedimentary rock composed of calcium carbonate
L
Limestone
Swanbabe
+7
Level 41
Aug 24, 2016
Calorie is the unit. Specific Heat is the actual name for the energy to raise 1 degree.
jamesd
+5
Level 70
Oct 18, 2016
The question explicitly states "water." This is the definition of a (small c) calorie. The calories can measure specific heat, among other things. There is nothing wrong with this question, even if you take a very pedantic perspective.
adventurek
+15
Level 50
Sep 21, 2016
The answer to "The process by which species become new species" is wrong. Evolution is the process by which species change, but speciation is the process by which new species are created. Everything is constantly evolving, but that doesn't mean new species are being created.
Malbaby
+2
Level 70
Oct 18, 2016
I tried mutation before evolution (did not notice the E clue)
jmellor13
+2
Level 65
Oct 18, 2016
Yeah, I found that clue problematic as well. I couldn't articulate it as well as you did, but the clue does not correctly define "evolution."
danieldias
+1
Level 53
Oct 21, 2016
I would say that! Thanks, you said it before!

I just have to say that species are not created, they appear naturally because of mutations. Evolution is the process of natural selection that acts upon these mutated "new species", accordingly to their fitness to survive. The process through a previous ancestor splitting into two or more different species is called speciation.

TWM03
+3
Level 60
Sep 5, 2018
That isn't the definition of evolution, but it is a valid description of an example of something evolution can do.
nichster
+1
Level 45
Oct 18, 2016
Could you add links to the next ones in this series?
lucd13
+1
Level 67
Sep 14, 2020
In the address bar, just change the -1 at the end to -2, etc.
Ninjaredpanda
+2
Level 51
Oct 18, 2016
I liked this quiz. Made me remember things I thought I forgot.
Lilylee
+1
Level 69
Oct 18, 2016
How about 'Omnivorous' ?
manchesterutd10
+2
Level 53
Oct 18, 2016
why wouldnt you just type omnivore
jmellor13
+4
Level 65
Oct 18, 2016
You must be new here.
dunkinggandalf2
+1
Level 58
Oct 5, 2020
I also first tried omnivorous.
p98eb
+3
Level 60
Oct 18, 2016
Should be "atom or compound that has an electrical charge." Atoms and charged polyatomic compounds can be ions, but molecules can not.
prs17
+1
Level 72
Oct 18, 2016
Strictly speaking, an "atom" has no charge. You might try "atomic particle"
MarlowePI
+4
Level 68
Aug 22, 2018
An atom does have a charge, if it's an ion. If an atom has the same number of electrons as it does protons, then it has no (net) charge. However, if it gains one or more electrons, then the atom gets a negative charge. If it loses one or more electrons, then it gets a positive charge. Either way, we call the resulting charged atom an ion.
texdave
+5
Level 53
Sep 5, 2018
A neutron walked into a bar and asked: "How much is a beer?" The bartender said: "For you, no charge."
martay
+5
Level 64
Sep 5, 2018
Were I somehow magically whisked back in time, I realized how utterly hopeless I would be at explaining our modern day knowledge.

"We've got this amazing thing known as electricity that powers our world, turns night into day, propels us at speeds you can't imagine..."

"Amazing! Tell us how it works!"

"Uh, actually I don't know. Get me a kite and key. I'm sure I can figure this out. Anyone know if it's supposed to rain this week?"

hirsutebodkin
+1
Level 54
Nov 2, 2018
I am compelled to be pedantic with the question about catalysts. They increase the rate of a chemical reaction but crucially are not consumed in the reaction. There are many things that speed up reactions but only a catalyst isn't also used up
Malbaby
+1
Level 70
Nov 1, 2019
good quiz, my only whinge is I tried 'omnivorous' several times, I feel it should be counted.
stevediverse
+2
Level 89
Mar 30, 2020
I'm late to respond, but the question is "An animal that..." which requires a noun as the answer. "Omnivore" is a noun. "Omnivorous" is an adjective.
barmanitan
+1
Level 55
Dec 26, 2019
Maybe accept attol?
someone2018
+2
Level 82
Jan 24, 2020
Or Athol, Massachusetts.
kalbahamut
+3
Level 81
Sep 14, 2020
or a towel?
yeetdeet
+1
Level 58
Sep 14, 2020
Come on, we all know the answer is ethanol.
dunkinggandalf2
+1
Level 58
Oct 5, 2020
Ethanol is not the answer, but it's often a solution.
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