Science Chapter 8 Flashcards
What are the 9 phsese of a moon
Dark, lastquter, waning gibbous, full, waxing gibbous, first quarter, waxing cresent moon, New moon
What are stars
Stars ae massive burning ball of hydrogen gas
What is the milkey way
it’s a band with over 200bilion stars
What are the 2 types of planets in our solars system
Terrestial (Mercery, venus, Earth, Mars)
Gas Giants (Jupiter, Saturn, uranus, Neptune)
What are shooting starts
It is a small rock or debris called meteorid. When it plumets to earth and catches on fire then it is called Meteor.
What is a comet
it is a dirty snowball made from rocks, ice, etc that go’s on an orbit one example is the halleys comet she appers every 76 years and the most recent appernece was the 1986
WHat is the geocentric model
it is when the earth is in the middle and everything orbits the earth
What is the heliontic model
It is when the sun is in the middle and everything orbits around that.
Who discovered uranus and neptune
Uranus (William Hershel) Neptune (Jphann galle)
Does everything have gravitional forces
Yes
What is a solar eclipes
when light is blocked by the moon. in the umbra would be the shadow and the best visable. (only at day
What is a lunar eclips
When the earth covers the moon. (only at night)
what time is the tide the strogest
How long is a year
(Calender 365 days)
(Non orbit 365. 1/4)
Why does Seasons happen
becuase the earth is on a axis os 27 degrees.
