Space Travel
Earth
Moon
Motion
Eclipses and Equinoxes
100
What is thrust?
The reaction force that propels a rocket forward
100
Why does Earth has seasons?
its axis is tilted as it moves around the sun
100
What are maria's?
Flat areas, once flooded with lava on the moons surface
100
All objects are attached to each other by the force of?
gravity
100
A total solar eclipse is visible from?
the moons umbra
200
What is the purpose of a space shuttle?
To be used many times to carry astronauts into orbit
200
Day and night are caused by?
Earth's rotation on it's axis
200
The temperature of the moon's surface varies gently from day to night because the moon has?
no atmosphere
200
The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called?
inertia
200
The times when day and night are of equal length?
Equinoxes
300
What is a space station?
Artificial satellite in which people can live and work for long periods
300
How long does one complete revolution of Earth around the sun take?
one year
300
Much of the moons surface is covered with round pits called?
craters
300
What is Newton's first law of gravitation?
Every object in the universe attracts every other object
300
Name the position of the Earth, moon and sun during a lunar eclipse?
Sun, moon, Earth
400
Neil Armstong was the first person to do what?
What on the moon
400
When the north end of Earth's axis is tilted toward the sun, North America will experience?
more direct rays and longer days
400
How large is the moon compared to Earth?
about one-fourth the diameter of Earth
400
Speed in a given direction is called?
velocity
400
Name the position of the Earth, moon and sun during a solar eclipse?
Sun, Earth, moon
500
Who was the first American to travel into space?
Alan Shepard
500
The force that pulls the moon toward Earth?
Gravity
500
How many phases of the moon? Name the phases in order? Also be able to draw all phases.
8 New Moon, Waning Crescent, first quarter, Waning gibbous, Full moon, waxing gibbous, third quarter, waxing crescent.
500
How does the earth and the Moon move in space?
The Earth rotates (spins) and revolves or orbits around the sun while the moon rotates and revolves around Earth.
500
Are you less likely to see a total solar eclipse or a total lunar eclipse?
Total Solar Eclipse
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