What effect does the Moon’s gravity have on the Earth?
It causes the tides.
It has no effect on the Earth.
It keeps the earth from spinning out of the orbit of the sun.
It causes time to fluctuate.
Why is the Earth’s gravity stronger than the Moon’s gravity?
The Earth is more massive than the Moon.
The Earth has more carbon dioxide.
The Earth has no mass.
The Earth is so far away from the Moon.
How does the Sun’s gravity compare to the Earth’s gravity?
The Sun’s gravity is stronger
The Sun has no gravity.
There is no way to tell.
They are equal.
Which of these would have the strongest gravitational pull?
a large, dense star
an asteroid
a medium sized moon
a meteor
According to Einstein, gravity:
bends space and time
is only a theory
can make objects bend
is effected by light
What is the name of the theory Albert Einstein came up with that challenged Newton’s?
The theory of relativity
Gravitation theory
Natural Rules theory
The theory of space
Gravity is a type of:
force
energy
strain
pressure
Gravity depends on two factors, mass and distance, according to what early astronomer?
Sir Isaac Newton
Galileo
Einstein
Aristotle
Albert Einstein expanded on Newton’s ideas in the ______ century.
20th
18th
19th
16th
Sir Isaac Newton came up with the theory of gravity in what year?
1687
1902
1776
1882