Gravity
Where does earth's gravity always pull objects?
Towards the center of the earth
What is the path of the planets around the sun called?
Orbit
How many different phases does the moon undergo?
8
What is the name of our galaxy?
Milky Way
What is the third decimal placed called?
Thousandths
What object has the greatest gravitational force in our solar system?
Sun
What causes the day and night on earth?
The earth's rotation
Which phase of the moon starts a new phase?
New Moon
Which type of galaxy looks like a pinwheel?
Spiral
343 cm3
What is controlled by the gravitational forces of the moon?
How long does it take the earth to complete one revolution?
365.25 days
Which phase of the moon appears brightest in the sky?
Full Moon
What is located at the center of all galaxies?
Black Hole
What is 8.93 x 103 ?
8,930
What two factors determine how much gravitational force is between two objects?
Mass and Distance
What causes the seasons on earth?
The tilt on its axis
What is the fourth phase of the moon?
Waxing Gibbous
What type of galaxy has no defined shape or boundaries?
Irregular
What is 645 x 18 ?
11,610
Who wrote the laws of gravity?
How many degrees is the earth tilted on its axis?
23.5 degrees
What is the 7th phase of the moon?
Waning Crescent
Which kind of galaxy has older red stars in it?
Elliptical
What is 1/4 x 9 as a mixed number?
2 and 1/4