1
Earths rotation is gradually _______ down through time.
slowing
The Apollo astronauts orbited the _______ and photographed its surface.
Moon
On a clear evening, can you always see the moon in the sky?
No!
Can you ever see the moon during the day?
YES
The study of the moon, stars, and other objects in space is called ...............
Astronomy
"Inertia" is the tendency of an object to ______ a change in motion? (increase or resist)?
resist
The sun reaches its greatest distance north or south of the equator ____ times a year
2
________ is the amount of matter in an object
Mass
The force of gravity on an object is known as its ______
Weight
A ________ is a system of organizing time that defines the beginning, length, and divisions of a year.
Calendar
The different shapes of the _____ that you see from Earth are called "Phases"
Moon
How long does it take the Earth to complete one rotation around the sun?
One Year
What planet was discovered as the result of its gravitational effect on Neptune?
Pluto
What is "Clementine"? HINT a fruit is not the answer to this question!
a NASA spacecraft
Typically, how many seasons does the Earth have?
4
The moon reflects light from the _____
Sun
A force, called ______ attracts all objects towards each other
Gravity
Earth follows a path, or "orbit" as it travels around the ______
Sun
The ancient ________s created one of the very first calendars
Egyptians
The spinning of Earth on its axis is called ________
Rotation
The law of _______ __________ states that every object in the universe exerts a force on every other object.
universal gravitation
What causes an Eclipse ?
When an object in space moves between the sun and a third object , casting a shadow
The "umbrella" is the ______ part of the moons shadow.
Darkest
___________ is the movement of one object around another
Revolution
What are tides?
The rise and fall of ocean water that occurs every 12.5 hours or so