Chapter 1

Question 0

seismologist

Answer 0

geologist who studies earthquakes

Question 1

volcanologist

Answer 1

geologist who studies volcano

Question 2

paleontology

Answer 2

geologist who study fossils

Question 3

biological oceanographers

Answer 3

study the plants and animals that live in the ocean

Question 4

physical oceanographers

Answer 4

study physical features of the ocean

Question 5

Chemical oceanographers

Answer 5

steady amounts of natural and human-made chemicals in the ocean

Question 6

describe four special areas of oceanography

Answer 6

oceanography, physical oceanography, biological oceanography, geological oceanography and chemical oceanography

Question 7

John Trefry

Answer 7

oceanographer who studies the ocean floor in a mini-sub called Alvin

Question 8

Black smokers

Answer 8

black chimneys on the ocean floor that spew black clouds of minerals

Question 9

hydrothermal vents

Answer 9

A crack in the ocean floor that releases a very hot water from beneath the earth surface

Question 10

what do you astronomers study

Answer 10

stars, planets, asteroids and everything else space

Question 11

what cartographers do?

Answer 11

make maps

Question 12

meteorologists

Answer 12

they warn when a meter is coming

Question 13

Howard Bluestein

Answer 13

he predicts when tornadoes are likely to form

Question 14

astronomy

Answer 14

The study of the universe

Question 15

special branches of Earth science

Answer 15

environmental science, ecology, geochemistry,

Question 16

environmental science

Answer 16

The study of how humans interact with the environment

Question 17

ecology

Answer 17

A person that studies a community of organisms and their nonliving environment

Question 17

geochemistry

Answer 17

it combines the study of geology and chemistry.

Question 17

Seismosaurus hallorum

Answer 17

one of the largest dinosaurs

Question 18

Scientific methods

Answer 18

A series of steps followed to solve problems

Question 19

controlled experiment

Answer 19

experiment tests only one factor or variable at a time

Question 20

steps of scientific methods

Answer 20

• ask questions
• form a hypothesis
• test the hypothesis
• analyze the results
• draw conclusions
• communicate results

Question 21

Why do they have to questions?

Answer 21

asking a question helps focus the purpose of an investigation

Question 22

why do they communicate results?

Answer 22

this way scientist share with others what they have learned. Science depends on the sharing of in formation

Question 23

what is a physical model?

Answer 23

it’s a model that you can touch

Question 24

what is a mathematical model?

Answer 24

it’s a model of made up of mathematical equations

Question 25

what is a big bang theory?

Answer 25

and explanation of the structure of the universe

Question 26

what is a theory?

Answer 26

an explanation that ties together many hypotheses and observations

Question 27

The information that scientists gather by using models can help support a theory or show it to be wrong. models can be changed or replaced

Question 28

what is the meter?

Answer 28

The basic unit of length in the SI

symbol, m

Question 29

What is volume?

Answer 29

is the measure of the size of a body or region in three-dimensional space

Question 30

no volume of a liquid is often given on liters. letters are based on the meter

Question 31

A cubic meter (1 m3) is equal to 1,000 L.

Question 32

what is mass?

Answer 32

A measure of the amount of matter in an object

Question 33

what is temperature?

Answer 33

A measure of how hot or cold something is

Question 34

what is area?

Answer 34

A measure of the size of a surface or region

Question 35

what is density?

Answer 35

The ratio of the mass if a substance of the volume of the substance

density= mass
volume

Question 36

all nine safety symbols

Answer 36

a. eye protection
b. clothing protection
c. hand safety
d. heating safety
e. electric safety
f. sharp object
g. chemical safety
h. animal safety
i. plant safety