Chapter 1 Flashcards

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1
Q

Astronomy

A

The study of objects beyond Earth’s atmosphere

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2
Q

Meteorology

A

The study of the forces and processes that cause the atmosphere to change and produce weather.

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3
Q

Geology

A

The study of the materials that make up earth, the processes that form and change these materials and the history of the planet and its life forms since its origin.

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4
Q

Oceanogrophy

A

The study of earths oceans, which cover nearly three fourths of the planet.

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5
Q

Environmental science

A

The study of the interactions of organisms and their surroundings.

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6
Q

Geosphere

A

The area from the surface of the earth downtown its center.

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7
Q

Hydrosphere

A

All the water on earth, including the water in the atmosphere .

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8
Q

Biosphere

A

Includes all organinm

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9
Q

Scientific methods

A

A series of problem solving procedures that help scientists conduct experiments

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10
Q

Hypothesis

A

A testable explanation of a situation that can be supported or disproved by carefully procedures.

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11
Q

Independent variable

A

The factor that is changed by the experimenter

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12
Q

Dependent variable

A

A factor that is affected by changes in the independent variable

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13
Q

Atmosphere

A

The blanket of gases that surround a planet

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14
Q

Control

A

Used in an experiment to show that the results of the experiment are the result of the condition being tested.

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15
Q

Le sistème international d’Unitès

A

Modern version of the metric system; standard system of measurement for scientific research

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16
Q

Mass

A

Amount of matter in an object

17
Q

Weight

A

Measure of gravitational force on an object

18
Q

Area

A

Amount of surface included within a set of boundaries and expressed in square units of length

19
Q

Volume

A

Amount of space occupied by an object

20
Q

Density

A

Measure of the amount of matter that occupies a given space

21
Q

Time

A

Interval between two events

22
Q

Temperature

A

A measure of the average kinetic energy of the particles that makes up the material

23
Q

Scientific notation

A

In which any number is expressed by a value between one and ten multiplied by a power of ten

24
Q

Scientific model

A

An idea, picture, a system or a mathematical expression that represents the concept being explained

25
Q

Scientific theory

A

An explanation based on many observations during repeated observations

26
Q

Scientific law

A

Principle that describes the behavior of a natural phenomena

27
Q

Control

A

Used in an experiment to show that the results of the experiment are the result of the condition being tested.

28
Q

Le sistème international d’Unitès

A

Modern version of the metric system; standard system of measurement for scientific research

29
Q

Mass

A

Amount of matter in an object

30
Q

Weight

A

Measure of gravitational force on an object

31
Q

Area

A

Amount of surface included within a set of boundaries and expressed in square units of length

32
Q

Volume

A

Amount of space occupied by an object

33
Q

Density

A

Measure of the amount of matter that occupies a given space

34
Q

Time

A

Interval between two events

35
Q

Temperature

A

A measure of the average kinetic energy of the particles that makes up the material

36
Q

Scientific notation

A

In which any number is expressed by a value between one and ten multiplied by a power of ten

37
Q

Scientific model

A

An idea, picture, a system or a mathematical expression that represents the concept being explained

38
Q

Scientific theory

A

An explanation based on many observations during repeated observations

39
Q

Scientific law

A

Principle that describes the behavior of a natural phenomena