1) The
planets close to the sun are
C)
small and gaseous.
2)
galaxy star star system universe
Order
the terms above from smallest to largest.
A)
star, star system, galaxy, universe
3)
Evidence shows that interstellar bodies are moving away from Earth, some faster
than others, which BEST suggests that the universe
B)
is expanding.
4)
Our Solar System is in the Milky Way galaxy. What shape is this galaxy?
C)
spiral
5)
Planet ⇒
____________ ⇒
Galaxy ⇒
Universe
What
is missing in the ordered sequence of the cosmos?
D)
Solar System
6)
Our solar system lies in
D)
outside the spiral arms of the Milky Way.
7)
Scientists believe that the universe is expanding. Which theory about the
creation of the universe BEST supports this belief?
D)
Bouncing Universe Theory
8)
Which characteristic of the sun is MOST responsible for keeping the planets in
orbit?
D)
it is located in the center of the solar system
9)
Inner Planets Planet Distance From the Sun (in million miles) Diameter (in
mils) Temperature (Kelvin) Number of Moons Mercury 36 3,031 100 - 700K 0 Venus
67.2 7,521 726K 0 Earth 93 7,926 260 - 310K 1 Mars 141.6 4,222 150 - 310K 2
Based on the information in the table, which inner planet is closest to the
Sun?
C)
Mercury
10)
The planets in our solar system move around the Sun because of
C)
gravity.
