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Science Solar System Unit E Ch 3
Solar System
31
Science
4th Grade
11/03/2015

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Cards

Term
Satellite
Definition
Object that moves around another object in space
Term
Orbit
Definition
Certain Path
Term
Phases
Definition
Shapes
Term
Revolution
Definition
Thr movement of earth around the sun
Term
Axis
Definition
The imaginary line that runs through the center of the earth from the North Pole to the South Pole
Term
Rotation
Definition
When Earth Spins around its access
Term
Solar System
Definition
A group of objects in space that move around a central star
Term
Star
Definition
A burning sphere of gases
Term
Planet
Definition
A large object that moves around a star
Term
Two examples of a star
Definition
The stars that we see and the sun
Term
How many planets are in the solar system?  and what are they?
Definition

8 planets in the solar system.

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

 

Term
A sun spot
Definition
A spot of the sun that is cooler than the rest of the sun's surface
Term
prominences
Definition
red streams and loops of gases that shoot out from the sun.
Term
asteroid
Definition
small and rocky thing that moves around the sun
Term
comet
Definition
a small mass of dust and ice that orbits the sun.
Term
name the 4 inner planets
Definition
mercury, venus earth and mars
Term
name the 4 outer planets
Definition
jupiter, saturn, uranus and neptune
Term
gas giants
Definition
large spheres made up mostly of gases.
Term
name 4 gas giants
Definition
the outer planets (jupiter, uranus, saturn and neptune)
Term
what are the rings around saturn made up of
Definition
dust, ice crystals and small bits of rock coated with frozen water
Term
what is the sun?
Definition
the sun is the biggest thing in our galaxy
Term
in what way are the planets comets and asteroids alike?
Definition
They are all part of our solar system
Term
what are the 8 phases of the moon?
Definition

New moon

waxing and crescent

first quarter

waxing gibbous

full moon

waning gibbous

last quarter

waning crescent

Term
what causes seasons?
Definition
the tilt of earth's axis
Term
How do the earth and move moon?
Definition
The moon moves around the earth.
Term
Why would you classify the earth and moon as a satellite?
Definition

The moon would be a satelite of the earth becuase it moves aound the earth. 

The earth would be a satleite of the sun becuase it moves around the sun.

Term
What are two ways rhe earth moves?
Definition
a revolution around the sun and a rotation on its axis
Term
space probe
Definition
things that humans send out to places
Term
WHat provides the most heat and light to our solar system?
Definition
the sun
Term
How does a planets distance from the sun affect its orbit speed
Definition
Term
tHow does a planets disance from the sun affect its speed?
Definition
,When a planet is closer to the sun it moves faster
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