Show:
Earth's Motion
The Moon
Stars and Galaxies
Solar System
Astronomy
100

The spinning of Earth on its imaginary line is called __________, and it causes ____________________. 

Rotation cause days 

100
The force that attracts all objects toward each other
Gravity
100

Milky Way is this type of galaxy (SHAPE) 

barred spiral galaxy

100

If it is Summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

What is winter

100
A comet orbits the _________________, and a moon orbits a ______________________. 

sun, planet. 

200

The Earth's movement around the sun is called _____________ and it takes _________________ days to complete it. 

Revolution ... 365. 24 

200
The earth's natural satellite is called the __________.
Moon
200

What is the first stage of a star formation?

(stellar) Nebula - cloud of dust and gas

200

Number of stars in our solar system

1. Sun 

200
An object that orbit around another object.
A satellite
300

Do we see the same stars all year long? Why or why not?

No, Earth changes place in its orbit 

300

A student wants to make a model of a lunar eclipse. where should he place the moon?  

Sun, Earth, Moon. the Earth casts a shadow onto the moon. 

300

Name three types of galaxies. 

Spiral, elliptical, barred spiral, irregular 

300

Three things that change as a result of Earth's revolution.

1. Length of day and night

2. Seasons

3. Star patterns

300

What are the three criteria's that must be met for a celestial body to be considered a planet. 

Spherical, Clear orbit, orbit the sun 

400
The imaginary line that passes through Earth's center from the North pole to the South pole
axis
400
The moon passes directly between Earth and the sun, blocking sunlight from Earth
Solar Eclipse
400
Light travels at 300,000 km/s this is called?
light year
400
What is the difference between the Heliocentric and Geocentric model?
Geocentric - moon, stars, and sun revolve around earth heliocentric - planets revolve around sun, moon revolve around earth
400
Made of gas, dust and ice and moves around the Sun in an oval-shaped orbit
Comet
500
Earth is tilted on its axis as it revolves around the sun, these cause
seasons
500

Name all 8 moon phases in order.

New Moon, Waxing Crescent, First quarter, waxing gibbous, Full Moon, Waning Gibbous, Third Quarter, Waning Crescent 

500

Which planets to we refer to as the "gas giants"?

What are the outer planets (Jupiter, Saturn, Uranus, Neptune)?

500

Planets are classified into two groups. Name the two groups and identify the composition, volume, and density (defining characteristics for each group) 

Inner: Rocky, less volume, denser 

Outer planets: gas and ice, more volume, less dense. 

500

Name the planets in order

M, V, E, M, J, S, U, N