Show:
stars
space
moon
earth
earth
100
How long a star lives depends on it's _.
What is mass?
100
_ is the force every object in the universe exerts on every other object in the universe.
What is gravity?
100
Describe a solar eclipes.
What is when the moon blocks sun light from reaching Earth?
100
_ is the very center of Earth?
What is inner core?
100
Which of Earth's layers contains oceans?
What is troposphere?
200
How is the sun like all other stars?
What is same size?
200
_ is used to measure distances in space.
What is light years?
200
Describe a lunar eclipse.
What is the Earth blocks sun light from reaching the moon?
200
Which planet is closest in size to Earth?
What is Venus?
200
What occurs when Earth is in a direct line between the sun and the moon?
What is lunar eclipes?
300
What does a star's color indicate?
What is brightness,temperature,and age?
300
All of the planets, the sun,and Earth make up our _.
What is solar system?
300
What moon phase occurs when the moon opposite side of the Earth as the moon?
What is new moon?
300
How long is Earth's rotation on it's axis?
What is 24 hours?
300
The hemispheres of Earth that are tilted on the axis away from the sun generally have _.
What is cold winters and mild summers?
400
Label the sun.
What is corona,convection zone,radiation zone,chromosphere,photosphere,prominence,and solar flare?
400
Astronomers use special units to describe distances in space called _.
What is light years?
400
Describe an eclipse of the sun.
What is when the moon blocks sun light from reaching Earth?
400
Label the Earth.
What is crust,mantle,inner core,and outer core?
400
What causes ocean tides?
What is moon's gravitational pull?
500
The coldest stars are _ in color.
What is red?
500
Label each phase of the moon.
What is new moon,waxing cresent moon,first quater moon,waxing gibbous moon,full moon,waning gibbous moon,third quarter moon,and waning cresent moon?
500
What moon phase occurs when the moon is on the same side of Earth as the sun?
What is full moon?
500
What causes seasons?
What is Earth's rotation on it's axis as it revolves around the sun?
500
What is the relationship between the tides on Earth ans the phases of the moon?
What is the relative positions of the sun,moon,and Earth?