Show:
Moon
Earth
Sun
Universe
Stars
100
What is the force every object in the universe exerts on every object in the universe.
gravity
100
How long a star lives depend on _____.
its mass
100
What is used to measure distances in space.
light years
100
What does a star`s color indicate?
brightness,temperature,and age
100
What is the features of the sun.
radiation zone,chromosphere,prominence,convection zone,solar flares,and sun spots
200
What is the features of the earth.
crust,mantle,outer core,and inner core
200
What causes seasons?
earth`s rotation on its axis as it revolves around the sun
200
Which planet is closest in size to earth?
venus
200
How long is earth`s rotation on its axis?
24 hours
200
inner coreWhat is the center of earth.
inner core
300
What moon phase occurs when the moon is on the same side of earth as the sun?
full moon
300
What is an eclipse of the sun.
moon blocks the sun`s light from reaching the earth
300
What causes ocean tides?
moons gravitational pull
300
What occurs when earth is in a direct line between the sun and the moon?
lunar eclipse
300
Which of earth`s layers contains oceans?
troposphere
400
Astronomers use special units to describe distances in space called _____.
light years
400
What is all of the planets,the sun,and earth make up our ______.
solar system
400
What is the hemisphere of earth that are tilted on the axis away from the sun generally have ______.
cold winters,mild summers
400
What is the sun like all other stars?
it is the same size
400
What are the phases of the moon.
new moon,full moon,waxing cresent,waning cresent,first quarter,third quarter,waxing gibbous,and waning cresent
500
What is the relationship between the tides on earth and the phases of the moon?
the changing relative of the sun,moon,and earth
500
What is a lunar eclipse?
earth is blocking the sun`s light from reaching the moon
500
What is a solar eclipse?
moon blocks the sun`s light from earth
500
Name the planet in order (including pluto).
mercury,venus,earth,mars,jupiter,saturn,uranus,neptune,and pluto
500
Which planet is the largest jupiter or saturn.
jupiter