Year 8 Space Flashcards
1
Q
What are the relative speeds of the planets?
A
Planets near the sun move much faster than planets far from the sun
2
Q
What is a comet?
A
An icy body that releases gas or dust
3
Q
What are the relative temperatures of the planets?
A
Planets near the sun are much hotter than planets far from the sun
4
Q
Why is venus the hottest planet?
A
Its atmosphere of carbon dioxide means the planet has a very large greenhouse effect - heat is trapped and cannot escape, warming the planet. Meanwhile Mercury, the closest planet to the sun, was so hot it had its atmosphere ‘burned off’ years ago, so the heat escapes instantly now
5
Q
Name the planets in order and a way to remember them
A
Mercury My Venus Very Earth Easy Mars Method Jupiter Just Saturn Speeds Uranus Up Neptune Naming (Pluto) Planets