Download 2. Kepler a. They observed the sun, moon, and stars move across

Practice Questions: Ch 25.1
Name the person being described in each clue.
Copernicus
Galileo
Kepler
Ptolemy
This
scientist
proved
that
the
heliocentric
model of the solar system was
1. Galileo
correct with observations from his telescope.
This scientist determined that planetary orbits were ellipses, or oval in
2. Kepler
shape.
4.
5.
In the geocentric model of the solar system, _EARTH__ is in the center and the sun and planets orbit
around it.
Which choice is a reason why people believed in the geocentric model of the solar system?
a. They observed the sun, moon, and stars move across Earth’s sky each
day & night.
b.
c.
d.
They used telescopes to track the sun’s motion.
They recorded the rate of Earth’s rotation.
All of the above.
6.
The sun is in the center of the __HELIOCENTRIC___ model of the solar system.
7.
That force keeps planets from wandering off?
8.
a. Friction
b. Gravity
c. Inertia
Inertia …
a. Is an attractive force between planets
d. Pressure
b. Keeps planets moving in their orbits
c.
9.
Has nothing to do with planets and their orbits.
The most distant objects in the solar system are:
a. Asteroids
b. Comets
c.
Other stars
10. The asteroid belt is between what 2 planets? _MARS and ___JUPITER____
11. Distances with the solar system are measured in:
a. Meters or feet
b. Miles or kilometers
c. Astronomical units (AU)
d.
Light years
12. A. Earth is _1_ AU/ AUs from the sun.
13. Aristachus is known for …
a. Using a telescope to prove the heliocentric model of the solar system.
b. Being the 1st to propose the heliocentric model.
c. Determining the shape of orbits.
d. Observing the first eclipse.
14. Which choice shows the organization of the solar system as you move away from the sun ?
a. Mercury, Venus, Mars, Earth, Comets, Jupiter, Saturn, Neptune, Uranus, Pluto & kuiper belt
objects, Asteroids
b. Mercury, Venus, Earth, Mars, Asteroids, Saturn, Jupiter, Uranus, Neptune, Pluto & kuiper belt
objects, Comets
c.
Mercury, Venus, Earth, Mars, Asteroids, Jupiter, Saturn, Uranus,
Neptune, Pluto & kuiper belt objects, Comets