Earth And Space

Question 1

What is physical weathering

Answer 1

-Wearing down of rock through the movement of water or wind

-ice that pushes and shapes rock formations

-wind creates interesting surfaces on rocks

• moving particles scratching into the face of a rock

Question 2

What is chemical weathering

Answer 2

-Chemical reactions occur

-dissolve and break down rocks and minerals

-water is a major force of chemical weathering on rocks
-water dissolves the materials in rock

-acidic water reacts with rock

• materials break down the rock

Question 3

How does water affect earths surface

Answer 3

It affects earths surface changes

Question 4

Does water have an impact on our environment

Answer 4

Yes and land formations have been largely shaped by it

Question 5

What is weathering

Answer 5

Breaking down of soil and rock

Question 6

What is erosion

Answer 6

Material is transported from one location to the other

Question 7

What is deposition

Answer 7

A material is deposited in a new location, forms layers of sediment, and causes land mass formation

Question 8

What are the structures of the sun

Answer 8

-inner core
-radiative zone
-convective zone
-photosphere
-chromosphere
-corona
-sunspot
-granules
-prominence

Question 9

What is gravity

Answer 9

Fundamental force of attraction between objects

Question 10

Where are constellations

Answer 10

Different positions different times of the year

Question 11

What causes the earth to orbit the sun

Answer 11

Gravity’s pull

Question 12

Where are low tides

Answer 12

Sides on the earth 90 degrees from the moon

Question 13

Where are high tides

Answer 13

Sides facing the moon or away from the moon

Question 14

What are semidiurnal

Answer 14

2 high and 2low tides

Question 15

What are diurnal

Answer 15

1 high and 1 low tide

Question 16

What are mixed semidiurnal

Answer 16

Different sizes 2 high and 2 low tides

Question 17

How do tides happen

Answer 17

Moons gravitational pull on the earth

Question 18

Spring tides

Answer 18

-sun and moon are in a straight line
-tidal effects in same direction
-higher high tides
-moon is in new moon or full moon

Question 19

Neap tides

Answer 19

-moon is in 1st or 3rd quarter
-tidal effects opposing one another
-sun and moon are 90 degree relative to earth
-lower high tides

Question 20

Inner planets

Answer 20

-mercury
-Venus
-earth
-mars

Question 21

Outer planets

Answer 21

-Jupiter
-Saturn
-Uranus
-Neptune

Question 22

Everything in the universe is made of a

Answer 22

Finite number of elements

Question 23

Planet

Answer 23

Near circular orbit orbits a star

Question 24

Dwarf planet

Answer 24

Resembles a planet but lacks some characteristics

Question 25

Moon

Answer 25

Orbits a planet

Question 26

Asteroid

Answer 26

Smaller solid remains in the solar system;found in asteroid belt

Question 27

Meteoroid

Answer 27

Orbits a star; remains of a broken asteroid

Question 28

Meteorite

Answer 28

Meteoroid enters the atmosphere

Question 29

Comet

Answer 29

Made of ice and rock ; highly elliptical orbit

Question 30

Kilometer

Answer 30

Distance in automobile , train , or airplane

Question 31

Astronomical unit

Answer 31

Distances in solar system

Question 32

Light year

Answer 32

Distances in galaxy and nearby galaxies

Question 33

Parsec

Answer 33

Used for objects at outer reaches of the universe

Question 34

Hr diagram

Answer 34

Yaxis - how bright the star is Xaxis- how hot the star is Stars on left side are very hot (blue) Stars on right side are cooler (red) Top of chart (brighter) Bottom chart ( dimmer) Most stars are main sequence stars

Question 35

Star

Answer 35

Giant ball of hydrogen gas that turns hydrogen into helium

Question 36

Luminosity

Answer 36

Energy output of a star

Question 37

Absolute brightness

Answer 37

How strong a star actually is

Question 38

Apparent magnitude

Answer 38

How bright a star looks to you where you are

Question 39

Surface temperature

Answer 39

Color of a star