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8th Science Final Prep > Vocab > Flashcards

Vocab Flashcards

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Biology 101 flashcards
0
Q

Matter

A

Anything that has mass and takes up space

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1
Q

Chemistry

A

The study of matter

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2
Q

Element

A

Cannot be divided into anything simpler; pure

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3
Q

Symbol

A

An abbreviation for an element

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4
Q

Atom

A

smallest part of an element

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5
Q

Atomic Number

A

Shows the amount of protons and neutrons

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6
Q

Electron

A

Part of an atom with a negative charge

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7
Q

Proton

A

Part of atom with a positive charge

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8
Q

Neutron

A

Part of atom which has no charge

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9
Q

Bohr Diagram

A

Model of an atom using energy levels

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10
Q

Atomic Mass

A

How much an element weighs

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11
Q

Valence electrons

A

Electrons in the outermost energy shell

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12
Q

Mixture

A

Two or more elements that can be physically separated

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13
Q

Compounds

A

Two or more elements that are chemically joined

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14
Q

Zig-Zag Line

A

Separates metals from nonmetals on the periodic chart

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15
Q

Periods

A

Horizontal rows on the periodic chart

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16
Q

Metals

A

Elements which are shiny, malleable, ductile, & good conductors

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17
Q

Metalloids

A

Has some properties of metals and some properties of nonmetals

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18
Q

Non-Metals

A

Elements that are brittle and are not good conductors

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19
Q

Families

A

Vertical columns on the periodic chart

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20
Q

Alkali Metals

A

Family group # 1

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21
Q

Alkaline Earth Metals

A

Family group # 2

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22
Q

Cation

A

A positive ion

23
Q

Anion

A

A negative ion

24
Q

Chemical formula

A

Represents a compound using symbols and subscripts

25
Q

Subscript

A

Used to show how many atoms are present

26
Q

Reactants

A

Ingredients of a reaction

27
Q

Products

A

What is made in a reaction

28
Q

Chemical Equation

A

Represents a reaction using chemical formulas

29
Q

Evaporation

A

Change from liquid to gas

30
Q

Condensation

A

Changes from gas to liquid

31
Q

Groundwater

A

Water found under the surface of the earth

32
Q

Transpiration

A

How plants give off water to the atmosphere

33
Q

Landfill

A

Place to bury trash that has a liner

34
Q

Nonrenewable resources

A

Materials cannot be replenished in a reasonable time

35
Q

Ecological footprint

A

The total effect a person has on natural resources

36
Q

Natural resource

A

Things in the natural environment that people use

37
Q

Hazardous materials

A

Materials harmful to the environment

38
Q

Organism

A

Any living thing

39
Q

Cell

A

Basic unit of living organisms

40
Q

Animalia

A

Kingdom including all Animals

41
Q

Homozygous

A

Having the same genes (alleles) like BB

42
Q

Heterozygous

A

Having different genes (alleles) like Bb

43
Q

Chromosome

A

Contains genetic information in the nucleus of your cells

44
Q

Gene

A

Information for a trait on your chromosome

45
Q

DNA

A

Chemical code chromosomes are made from

46
Q

Mitosis

A

Two identical cells are produced

47
Q

Diploid

A

Two copies of each chromosome (a full set)

48
Q

Gametes

A

Sex cells

49
Q

Meiosis

A

Process that makes gametes

50
Q

Offspring

A

Kids

51
Q

Genotype

A

What the genes look like

52
Q

Phenotype

A

What the organism looks like

53
Q

Recessive

A

Trait does not show if a dominant gene is present

54
Q

Trait

A

Characteristic of an organism

55
Q

Hybrid

A

Has one dominant gene and one recessive

56
Q

Heredity

A

The passing of traits from parent to offspring

8th Science Final Prep (1 decks)

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