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Worksheetsp. 60-73 space review
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
p. 63, no. 6: How is a circle different from an ellipse?
a)
A circle has ONE foci, an ellipse has 2 foci
b)
A circle has the same radius at every point
c)
ellipses are more eccentric than circles
d)
all of the above
2.
p. 63-64: Which law states that planet orbits are elliptical?
a)
Newton's law of gravity
b)
Kepler's First Law
c)
Kepler's Second Law
d)
Kepler's Third Law
3.
p. 64, no. 8: At which point does a planet move most slowly in its orbit, at aphelion or perihelion?
a)
aphelion
b)
perihelion
c)
a planet''s speed never changes
d)
between the perihelion and aphelion
4.
p. 64, no. 8:
The orbital period² is equal to the average distance from the sun³ is a math equation that explains
The orbital period² is equal to the average distance from the sun³ is a math equation that explains
a)
Newton's law of gravity
b)
Kepler's first law
c)
Kepler's second law
d)
Kepler's third law
5.
In the picture on page 66, what does the string represent?
a)
centripetal force
b)
it has no meaning
c)
gravity
d)
the shape of the orbit
6.
p. 72, no. 19, Gravitational force is inversely proportional to the square of the ________between two objects.
a)
force
b)
mass
c)
time
d)
distance
7.
p. 73, no. 1 Small bodies from which the planets formed are called
a)
protoplanetary disks
b)
nebulas
c)
planetesimals
d)
mini-planets
8.
p. 73 no. 2: The path that a body follows as it travels around another boy in space is its ________.
a)
rotation
b)
revolution
c)
orbit
d)
protoplanetary disk
9.
p. 73, no 7: Look at the picture. What law is illustrated in this diagram?
a)
Newtons law of gravity
b)
Kepler's 1st law
c)
Kepler's 2nd law
d)
Kepler's 3rd law
10.
Question from the digital lesson: An application of Kepler's 3rd law may be:
a)
we can use this to locate objects in space
b)
We can use this to determine if there is life on other planets
c)
We can use this to determine the size of planets
d)
We can use this to determine how elliptical a planet's orbit is
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