Chapter 20- The Solar System

Question 0

People first started observing space

Answer 0

In ancient times, Greeks

Question 1

Planets mean

Answer 1

Wanderers

Question 2

Greeks first thought that the earth

Answer 2

Was epicenter of solar system

Question 3

Geocentric

Answer 3

When things revolve around earth

Question 4

Ptolemy

Answer 4

Created model of geocentric system

Question 5

Heliocentric

Answer 5

When earth and other planets revolve around the sun

Question 6

Copernicus

Answer 6

Figured out the arrangement of planets and how they revolve around the sun

Question 7

Galileo

Answer 7

Invented the teliscope

Question 8

Tycho Brahe

Answer 8

Figured out all planets orbits are an oval, an ellipse

Question 9

Suns interior

Answer 9

Core, radiation zone, convection zone

Question 10

The sun is mostly made of

Answer 10

Hydrogen helium

Question 11

Core

Answer 11

Produces energy from nuclear fusion, when hydrogen atoms join fpto form helium

Question 12

Radiation zone

Answer 12

Layer of tightly packed gas where energy is transfers by electromagnetic radiation

Question 13

Convection zone

Answer 13

Outer most layer with convection currents

Question 14

Suns atmosphere

Answer 14

Photosphere, chromosphere, corona

Question 15

Photosphere

Answer 15

Gives off light

Question 16

Chromosphere

Answer 16

Gives off orange color

Question 17

Corona

Answer 17

White halo around sun

Question 18

Solar winds

Answer 18

Electrically charged particles in the corona

Question 19

Sunspots

Answer 19

Areas on the sun that are cooler than the area around it

Question 20

Prominences

Answer 20

Groups of sunspots

Question 21

Solar flares

Answer 21

Eruptions

Question 22

Inner planets also called

Answer 22

Terrestrial planets

Question 23

Earth is mostly made of

Answer 23

Water

Question 24

Mercury

Answer 24

Smallest, closest to the sun, no atmosphere

Question 25

Venus

Answer 25

Earths twin, has greenhouse effect

Question 26

Mars

Answer 26

Red planet, May had water, has seasons

Question 27

Outer planets also called

Answer 27

Gas giants

Question 28

Each gas giant has

Answer 28

Rings

Question 29

Jupiter

Answer 29

Biggest planet, thick atmosphere, has Great Red Spot

Question 30

Saturn

Answer 30

Most rings, second largest planet

Question 31

Uranus

Answer 31

On its side, blue green

Question 32

Neptune

Answer 32

Cold and blue, twin of Uranus, has invisible clouds

Question 33

Pluto

Answer 33

Not a planet, dwarf planet, very small