Earth Y7 Flashcards
What is the mnemonic to remember the order of the planets?
My Very Excellent Mother Just Serves Us Nuggets
What is the order of the planets?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is a satellite?
A satellite is a celestial body orbiting another one
Which planet has a vertical rotation?
Uranus
Which planets are the gas giants?
Jupiter, Saturn, Uranus and Neptune (the last four)
Which planets are the rocky planets?
Mercury, Venus, Earth and Mars (the first four)
Which planet has the thickest atmosphere and what happens because of it?
Venus. The thick atmosphere traps in the heat more effectively.
Which is the biggest planet?
Jupiter
Which is the smallest planet?
Mercury
What are Mars’ moons and how many are there?
Two: Phobos and Deimos
In order from outer to inner, what are the earth’s layers?
The crust, the mantle, the outer core, the inner core
What is a supernova?
A supernova is the implosion of a star
What does the term “spaghettification” refer to?
The horizontal and vertical stretching of when something is being absorbed by a black hole
Why does a black hole have such great gravitational acceleration?
Because when a supernova occurs, so much matter is squeezed into a tiny space. This space is so much smaller, but has the same GFS.
Phases of the moon:
First Quarter
Waxing Gibbous Waxing Crescent
Full moon Earth New Moon
Waning Gibbous Waning Crescent
Last quarter