Shared Flashcard Set

Details

Astronomy
6th Grade Astronomy Test
30
Science
6th Grade
03/21/2012

Additional Science Flashcards

 


 

Cards

Term
Major Characteristic of Mercury
Definition
Year is 88 Earth-days long
Term
Major Characteristic of Venus
Definition
Spins or rotates in the opposite direction (retrograde), clockwise as you look from its north pole.
Term
Characteristic of Earth
Definition
Only planet that has life
Term
Characteristic of Mars
Definition
Red planet where a day is 24hours and 37 minutes
Term
Characteristic of Jupiter
Definition
Vacuum of Earth ? Sucks in meteors. Biggest planet
Term
Characteristic of Saturn
Definition
Known for its rings
Term
Characteristics of Uranus
Definition
Has 27 moons, and its axis is tilted on its side 98 degrees
Term
Two types of tides
Definition
Spring and Neap
Term
Sun Earth Moon in Spring Tide
Definition
All line up
Term
Sun Earth Moon in Neap Tide
Definition
at a right angle
Term
Spring Tide - describe, how offen
Definition
higher high tides, lower low tides
twice per month at full and new moon phases
Term
Neap Tide - describe, how often
Definition
weaker tides because of right angle
twice per month at 1st and 3rd quarter moon phases
Term
What is rotation?
Definition
An object spinning on an its Axis
RotAtion has an A in it for Axis, like a dancer spinning on her Ankle.
Term
What is revolution?
Definition
One object going around another object, like ring around the rosy. Also called orbiting.
Term
Isaac Newton's Law of Motion
Definition
Object at rest, says at rest
Object in motion stays in motion
Until another force acts on it
Term
Lunar Eclipse - Draw Sun, Moon, Earth
Definition
(Sun) (Earth) >+o (Moon)
Term
Solar Eclipse - Draw Sun, Moon, Earth
Definition
(Sun) (Moon) o+< (Earth)
Term
Gravitation Pull is influenced by:
Definition
Mass of two objects and distance between objects

(guide says gravity and inertia which is actually what causes revolution or an object to orbit)
Term
Days in a lunar month
Definition
29.5
Term
Days from new to full moon
Definition
14
Term
Hours for 1 rotation of earth
Definition
24
Term
Days for earth to make 1 revolution
Definition
365 1/4
Term
Heliocentric
Definition
Sun centered universe (Copernicus)
Term
Geocentric
Definition
Earth centered universe
Term
Big Bang theory
Definition
Singular cosmic explosion created universe 14 billion years ago and it is still expanding
Term
Name three kids of galaxies
Definition
Elliptical
Spiral - Like our Milky Way galaxy
Irregular
Term
How does distance affect gravitational pull?
Definition
closer the objects, the stronger the gravity
Term
How does mass affect gravitational pull?
Definition
The more massive, the stronger the gravity
Term
Which pulls more on the Sun, Venus or Saturn?
Definition
Venus because the closer distance affects gravitational force more than mass does. The force of gravity is proportional to the mass of an object and inversely proportional to the square of the distance between the objects.
Term
An object is headed toward earth. What happens if the gravitational pull on that object is greater than its inertia?
Definition
It will fall to Earth instead of being sling-shotted by earth.
Supporting users have an ad free experience!