Lesson 2

Question 1

Earth science

Answer 1

Body of knowledge about Earth and its place in the universe

Question 2

Earth scientists use several big ideas to guide them

Answer 2

• structure of Earth’s systems
• Earth’s history
• Earth in the solar system

Question 3

System

Answer 3

Groups of parts that work together as a whole

Question 4

Energy

Answer 4

The ability to do work or cause change

Question 5

Constructive forces

Answer 5

Shape Earth’s surface by building mountains and landmasses

Question 6

Destructive forces

Answer 6

Slowly wear away mountains and every other feature on Earth’s surface

Question 7

Geology

Answer 7

Study of forces that have shaped the Earth

Question 8

Oceanography

Answer 8

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

Question 9

Meteorology

Answer 9

Study of conditions in the atmosphere

Question 10

Astronomy

Answer 10

Focus on the solar system, stars and galaxies

Question 11

Environmental science

Answer 11

Study Earth’s environment and resources

Question 12

Scientific inquiry

Answer 12

Is a process that uses a set of skills to answer questions or to test ideas about the natural word

Question 13

Binoculars

Answer 13

Enable people to view faraway objects more clearly

Question 14

Compass

Answer 14

Instrument that shows magnetic north

Question 15

Wind vane

Answer 15

Device that rotates to show the direction of the wind

Question 16

Anemometer

Answer 16

Tool used to measure the speed and force of wind

Question 17

Streak plate

Answer 17

Piece of hard, unglazed porcelain that helps identify minerals

Question 18

Cryosphere

Answer 18

The frozen water of the world

Question 19

Hydrosphere

Answer 19

Water and ice

Question 20

Lithosphere

Answer 20

the rigid outer part of the earth, consisting of the crust and upper mantle

Question 21

Atmosphere

Answer 21

?

Question 22

Biosphere

Answer 22

the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms

Question 23

Quantity measured: Length

Answer 23

Unit-meter

Symbol-m

Question 24

Quantity measured: Mass

Answer 24

Unit-kilogram

Symbol-kg

Question 25

Quantity measured: Time

Answer 25

Unit-second

Symbol-s

Question 26

Quantity measured: electric current

Answer 26

Unit-ampere

Symbol-A

Question 27

Quantity measured: temperature

Answer 27

Unit-Kelvin

Symbol-K

Question 28

Quantity measured: amount of substance

Answer 28

Unit-mole

Symbol-mol

Question 29

Quantity measured: intensity of light

Answer 29

Unit-candela

Symbol-cd