6th Grade Science Final Exam Flashcards
What kind of rock can be “intrusive” or “extrusive”?
Igneous rock
What kind of rock can be made from compacted or cemented particles?
Sedimentary rock
What kind of rock changed from another kind of rock?
Metamorphic rock
What kind of rock has undergone great heat and pressure?
Metamorphic rock
How do you know which layer is the newest and which is the oldest?
The lower you get, the older the soil is.
What is an eclipse?
An event during which an object in space casts a shadow over another
How many hemispheres can the Earth have at any given time?
2 hemispheres
The distance from Earth to Sun (93 millions miles) is a/an ___________.
Astronomical unit (AU)
The three shapes of galaxy are: _________, _________, and __________.
Spiral, elliptical, irregular
Icy bodies which orbit the sun and have a coma and tail are _________.
Comets
In which phase of the moon is the whole surface reflecting
light?
Full moon
In which moon phase is none of it reflecting light?
New moon
The first dat of: Spring _______; Summer _______; Fall ______;
Winter _______.
Spring- March 21; Summer- June 21; Fall- September 23; Winter- December 22
5.8 trillion miles (or 63,000 AU) is about one ______ - ______.
Light-year
Why do we see only 1 side of the moon?
The Moon turns once on its own axis each time it orbits the Earth.