Chapter 1 Test

Question 1

Scientific method

Answer 1

An organized set of investigation procedures used by scientists.

Question 2

Hypothesis

Answer 2

Educated guess or testable prediction.

Question 3

Experiment

Answer 3

Organized procedure for testing hypotheses.

Question 4

Control

Answer 4

Standard for comparison

Question 5

Constant

Answer 5

Factor that does not vary in experiment.

Question 6

Independent variable

Answer 6

Factor that is adjusted by the experimenter (x-axis)

Question 7

Dependent variable

Answer 7

Factor whose value depends on the independent variable (y-axis)

Question 8

Scientific law

Answer 8

Rule of that sums up related observations to describe a pattern in nature

Question 9

Scientific theory

Answer 9

Experimentation based experiments - most logical explanation.

Question 10

International system of units

Answer 10

Standard system of measurement world wide.

Question 11

Mass

Answer 11

Amount of water in an object

Question 12

Density

Answer 12

Mass per unit volume of a material

Question 13

Time

Answer 13

Interval between two occurring events

Question 14

Graph

Answer 14

A visual display of info or data

Question 15

Line graph

Answer 15

Shows trends or how the data changes over time.

Question 16

Circle graph

Answer 16

Used to show how a fixed quantity is broken down into parts

Question 17

Exosphere

Answer 17

Uppermost region of atmosphere

Question 18

Thermosphere

Answer 18

Temperatures go up as you go up; 4500 F

Question 19

Mesosphere

Answer 19

The coldest temperatures of all the levels; -220 F

Meteorites burn up when they reach this level

Question 20

Stratosphere

Answer 20

Jets fly in lower level
Contains ozone layer
No weather

Question 21

Troposphere

Answer 21

The lowest level of earth’s atmosphere

Question 22

Cryosphere

Answer 22

The ice of earth’s surface

Question 23

Hydrosphere

Answer 23

The water on earth’s surface

Question 24

Biosphere

Answer 24

The natures on earths surface

Question 25

Atmosphere

Answer 25

The air and gases around earth

Question 26

Lithosphere

Answer 26

System inside the earth’s crust

Question 27

System

Answer 27

Group of parts that work together as a whole

Question 28

Energy

Answer 28

The ability to do work or cause change

Question 29

Geology

Answer 29

Study of forces that have shaped earth

Question 30

Oceanography

Answer 30

Study everything from chemistry of ocean water to ocean floor and marine organisms.

Question 31

Meteorology

Answer 31

Study of conditions in the atmosphere

Question 32

Astronomy

Answer 32

Focus on solar system, stars, and galaxies

Question 33

Environmental science

Answer 33

Study earth’s environment and resources

Question 34

Scientific inquiry

Answer 34

A process that uses a set of skills to answer questions or to test ideas about the natural world.

Question 35

Prediction

Answer 35

A statement of what will happen next in a sequence of events

Question 36

Wind vane

Answer 36

Devise that rotates to show the direction of the wind

Question 37

Anemometer

Answer 37

Too used to measure the speed and force of wind.

Question 38

Streak plate

Answer 38

piece of hard, unglazed porcelain that helps identify minerals

Question 39

Reservoir

Answer 39

A place where matter or energy is stored

Question 40

Cycle

Answer 40

A group of processes in which matter repeatedly moves through a series of reservoirs