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MAT > Science Terms > Flashcards

Science Terms Flashcards

1
Q

allotrope

A

a substance created when an element combines with itself to become a compound. o3 (ozone) and C6 (diamond)

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2
Q

alloy

A

A metal that is a mixture composed of metal elements. Brass (copper with a bit of zinc), pewter (tin with a bit of lead) steel (iron with nickel and titanium

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3
Q

amber

A

petrified sap

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4
Q

ambergris

A

A waxy substance found floating in the tropical waters

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5
Q

annual

A

A plant that grows over only one season

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6
Q

apiary

A

A place where bees are kept

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7
Q

arthropod

A

A huge animal phylum that includes insects, crustaceans, arachnids

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8
Q

bryophyta

A

the category of plants that includes all mosses

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9
Q

Cambrian Period

A

Part of the Paleozoic Era, began when the oldest easily identifiable fossils first appeared

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10
Q

carnivorous

A

cats, birds of prey, sharks

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11
Q

Cenozoic Era

A

“recent life” when mammals and flowering plants began to flourish

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12
Q

class

A

A major subdivision of phyla into which organisms are classified.

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13
Q

compound

A

Any mixture of elements (H2O)

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14
Q

coniferous

A

cone bearing trees: pines, spruce, yews

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15
Q

Cretaceous Period

A

Part of the Mesozoic Era, the time during which dinosaurs peaked and then died out

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16
Q

deciduous

A

trees that lose their leaves in the winter: maple, oak, sycamore

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17
Q

eon

A

great span of time defined by major events

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18
Q

epoch

A

division of geologic time less than a period and greater than an age

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19
Q

era

A

unit of geologic time that includes two or more periods grouped together

20
Q

eukaryote

A

an organism composed of one or more cells, containing visibly evident nuclei and organelles

21
Q

eutheria

A

“placental” subclass of mammals that include mammals which nourish the fetus with a placenta: dogs, people, bats, whales

22
Q

family

A

A subdivision of an order in the classification of living organisms. Under the order of primates, humans are classified into the family of hominidae

23
Q

formicary

A

ant’s nest

24
Q

genus

A

subdivision of a family. humans are classified in the genus Homo

25
Q

granivore

A

An animal that eats grains and seeds: squirrels, voles, birds.

26
Q

halogen

A

Any of the five elements that form part of group VIIA of the periodic table: fluorine, chlorine, bromine, iodine, and astatine

27
Q

igneous rocks

A

rocks that solidify from a molten or partially molten state: basalt and granite

28
Q

insectivore

A

anteaters, woodpeckers

29
Q

Jurassic Period

A

Part of the Mesozoic Era, the middle period of dinosaur dominance

30
Q

kingdom

A

the most basic classification unit of living organisms: Plant, Animal, Fungi, Moneran, Protista

31
Q

marsupial

A

aka “metatheria” A form of mammal born without a placenta and nourished in its mother’s pouch after birth: kangaroo, koala, and opossum

32
Q

Mesozoic Era

A

Geologic era between the Paleozoic Era to the Cenozoic Era, marked by the rise and fall of dinosaurs

33
Q

metamorphic rocks

A

rocks that have been altered by heat, pressure, and/or the chemical action of fluids and gases: slate, quartzite, marble

34
Q

metatheria

A

marsupial

35
Q

mollusk

A

ANy of a large phylum of invertebrate animals enclosed in a shell- snail, clam, octopi, squids

36
Q

Moneran

A

One of the basic kingdoms. Includes bacteria, primitive pathogens, blue-green algae

37
Q

monotreme

A

protheria. A strange, primitive sort of mammal that reproduces by laying eggs. Platypuses and echidnas

38
Q

noble gases

A

Elements found in the far right-hand side of the periodic table. Can’t mix with other elements. Argon, Helium, Krypton, Neon, and Xenon

39
Q

perennial

A

tulip, azalea, maple trees

40
Q

piscivore

A

seals, loons, penguins

41
Q

pistil

A

the female reproductive organ of a plant

42
Q

prokaryote

A

A cellular organism that does not have a distinct nucleus.

43
Q

sedimentary rocks

A

shale, sandstone, limestone

44
Q

species

A

human is Homo sapiens

45
Q

stamen

A

the male reproductive organ of a plant

46
Q

tracheophyta

A

plants with water-carrying systems that allow them to live on land solo, unlike mosses

47
Q

Triassic Period

A

when dinosaurs first appeared

MAT (21 decks)

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