General ScienceUnit 3 Chapters Earth In Time And space And Geology 9-10

Question 0

What star provides radiant energy to earth, is medium size, and sits on one of the arms of the Milky Way?

Answer 0

The Sun

Question 1

What galaxy is made up of 100-200 billion stars?

Answer 1

Milky Way

Question 2

What is the length of time it takes Earth to rotate one full turn on its axis?

Answer 2

One day

Question 3

What two measurements are used to determine positions on the earth?

Answer 3

Latitude and Longitude

Question 4

What is the earth ‘s rotation on it’s axis , and it ‘s path around the sun called

Answer 4

It’s orbit

Question 5

How fast does the Milky Way move through space?

Answer 5

12 miles or 19 kilometers per second

Question 6

The moon does not give off light of its own. Why then does it appear to shine?

Answer 6

It reflects the light of the sun.

Question 7

The core of Earth is made of iron and nickel. Is the core heavy or light?

Answer 7

Heavy

Question 8

The middle of the earth is made up of the core and mantle. What is the outer layer called it is 30 km thick, and made of granite and basalt?

Answer 8

Crust

Question 9

Is the DENSITY and radius of the Jovian planets larger or smaller than Earth ‘s.

Answer 9

They are less dense, because they are made of Hydrogen, Helium , and Methane gases.

Question 10

Our solar system is made of a pinwheel of

Answer 10

Stars

Question 11

The planet that we used to think was farthest from our sun was

Answer 11

Pluto

Question 12

The shape of Earth is basically spherical and it is lit only in the side facing the

Answer 12

Sun

Question 13

The standard 3 subdivisions of the day are

Answer 13

24 hours, 60 minutes , 60 seconds

Question 14

The surface of Earth is divided into units called lines of _ and _.

Answer 14

Longitude and latitude

Question 15

Differences in time at various points on Earth are caused by the rotation of the earth on it’s

Answer 15

Axis

Question 16

The farther from the equator that the latitude is, the shorter will be the period of ____ for that latitude.

Answer 16

Daylight

Question 17

The two points in the earth’s orbit when the earth ‘s axis is positioned so neither pole is pointing toward the sun is called __ and __ equinox

Answer 17

Vernal and Autumnal Equinox

Question 18

The earth ‘s size was first estimated by

Answer 18

Eratosthenes

Question 19

Name the 3 layers of the earth.

Answer 19

Crust, mantle, core

Question 20

What could have caused the magnetic field of the earth?

Answer 20

Slow movement of the earth’s magnetic core

Question 21

The planets which have a mass and radius much larger than Earth are called

Answer 21

Jovian

Question 22

The sun’s mass and radius are much larger than –

Answer 22

Earth

Question 23

A solar eclipse occurs when the moon passes directly between the ___ and the ___.

Answer 23

Earth , Sun

Question 24

Planet farthest from the sun

Answer 24

Neptune

Question 25

Planet nearest the sun

Answer 25

Mercury

Question 26

Largest planet

Answer 26

Jupiter

Question 27

Smallest planet

Answer 27

Mercury

Question 28

Planet nearest Earth .

Answer 28

Venus

Question 29

The mass of which planet is closest to the mass of the earth

Answer 29

Venus

Question 30

When it is summer in South America it is winter in

Answer 30

North America

Question 31

During the winter the sun ‘s rays strike at a greater angle than during the

Answer 31

Summer

Question 32

Is the Milky away the only galaxy in the universe ?

Answer 32

No

Question 33

Is the sun a star?

Answer 33

Yes

Question 34

What layer of the earth is made up of hot, molten rock whose movements cause volcanoes and earthquakes?

Answer 34

Core

Question 35

What is the thickest layer of the earth, about which little is known?

Answer 35

Mantle

Question 36

What layer of the earth do scientists this is made up of iron?

Answer 36

Core

Question 37

The. 3 major rock types are classified by the way they

Answer 37

We’re formed

Question 38

Supply the missing term: magma… lava…___ ___

Answer 38

Sedimentary Rock

Question 39

Rocks such as sandstone which are formed from particles of other rocks are called

Answer 39

Sedimentary rocks

Question 40

Rocks such as marble which are formed by great vibrations in pressure and temperature are ___ rocks

Answer 40

Metamorphic

Question 41

Mini earls are generally made up of __.

Answer 41

Crystals

Question 42

List 2 examples of minerals.

Answer 42

Diamonds, salt

Question 43

Volcanic activity , lifting and folding of the earth’s crust, and plateau erosion all describe how ___ are formed.

Answer 43

Mountains

Question 44

Moving bodies of ice are called

Answer 44

Glaciers