Science Vocabulary Artifact 2

Front 1

The process of trying to understand the world around us

Back 1

Science

Front 2

The use of knowledge gained through scientific thinking and problem solving to make produts or tools people can use

Back 2

Technology

Front 3

The step-by-step procedures of scientific problem solving; recognizing the problem, forming the hypothesis, testin the hypothesis, analyzing the data, and drawing conclusions

Back 3

Scientific Method

Front 4

Bit of information that can be gathered through your eyes, ears, and senses of touch, taste and smell

Back 4

Observation

Front 5

Conclusion based on an onservation

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Inference

Front 6

Statement that can be tested; based on observations, research, and prior knowledge of a problem

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Hypothesis

Front 7

The one factor chnged by the person doing the experiment

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Independent variable

Front 8

The factor being measured in an experiment

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Dependent Variable

Front 9

The factor in an experiment that does not change

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Constant

Front 10

The standard used for camparison in an experiment

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Control

Front 11

The way to describe the world with numbers; can describe objects and events with length, volume, mass, temperature, and rates

Back 11

Measurement

Front 12

THe method of making a rough measurement

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Estimation

Front 13

International System of Units, which was designed to give a worldwide standard of physical measurement for science, industry, and commerce and uses units such as the meter, cubic meter, kilogram, and kelvin

Back 13

SI

Front 14

SI unit of length

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Meter

Front 15

Amount of matter in an object

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Mass

Front 16

SI unit for mass

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Kilogram

Front 17

Scale that measures temperature in SI; begins at zero kelvin, which is the coldest temperature possible in nature

Back 17

Kelvin

Front 18

Ratio of 2 measurements with different units; (ex: miles per hour-mph)

Back 18

Rate

Front 19

Tool used to display information in rows and columns so that it is easier to read and understand

Back 19

Table

Front 20

Diagram that shows the relationship; tool used to collect, organize, and summarize data in a visual way so that it is easy to understand

Back 20

Graph

Front 21

Tool used to show the relationship between 2 variables

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Line Graph

Front 22

Tool that uses bars to show the relationships between variables; can be horizontal or vertical and can display any numerical data

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Bar Graph

Front 23

Tool used to show the parts of a whole

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Circle Graph

Front 24

Anything that has mass and occupies space

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Matter

Front 25

Small particle that makes up most types of matter and is made up of smaller parts called protons, neutrons, and electrons

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Atom

Front 26

Matter is neither created nor destroyed, only changed in form

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Law of Conservation of Matter

Front 27

Negatively charged particle found in a cloudlike formation surrounding an atom's nucleus

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Electron

Front 28

Positively charged, central part of an atom; directs all the activities of the cell and is surrounded by a double membrane

Back 28

Nucleus

Front 29

Particle in the nucleus of an atom that carries a positive charge

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Proton

Front 30

Uncharged particle in an atom's nucleus

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Neutrom

Front 31

Naturally occurring or synthetic material that cannot be brokem down to simpler materials by ordinary means, has a unique set of properties, and that is generally classified as a metal, a metalloid, or a nonmetal

Back 31

Element

Front 32

Whole number that tells how many protons are in the nucleus of each atom of an element

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Atomic Number

Front 33

Number that tells how heavy an element's atoms are compared with atoms of other elements

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Atomic Mass

Front 34

Two or more atoms of the same element that have different numbers of neutrons

Back 34

Isotope

Front 35

Sum of an atom's protons and neutrons

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Mass Number

Front 36

Elements that are malleable, ductile, generally have a shiny or metallic luster, and are not as good conductors of heat and electricity

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Metal

Front 37

Elements that are usually dull and are poor conductors of heat and electricity

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Nonmetal

Front 38

Elements that have characteristics of both metals and nonmetals. generally are brittle and dull, and are poor conductors of heat and electricity

Back 38

Metalloid

Front 39

Sample of matter that has the same composition and properties throughout

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Substance

Front 40

Pure substance produced when elements combine, and whose properties are different from those of the elements from which it is formed

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Compound

Front 41

A given compound is always made of the same elements in the same proportion by mass

Back 41

Law of Definite Proportions

Front 42

COmbinations of 2 or more substances that have not combined to form new, pure substances; can be uniform, where the individual parts cannot be seen, or nonuniform, where you can see individual parts

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Mixture

Front 43

Properties, or characteristics, such as color, texture, and shape, that can be observed without changing the makeup of a material

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Physical Property

Front 44

Physical property of a sample of matter-solid, liquid, gas, or plasma

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State of Matter

Front 45

Physical property that relates the mass of something to how much space it takes up; divide mass by volume

Back 45

Density

Front 46

Characteristics of a substance, such as the ability to react with oxygen, that allows it it change to a new substance

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Chemical Property

Front 47

Any change in the size, shape, or form of matter in which the makeup of athe matter remains the same and only the physical properties change

Back 47

Physical Change

Front 48

Any change where one or more of the original materials changes into other materials

Back 48

Chemical Change