Earth Science 10/24

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1.
1 point
Bowl-shaped depressions called _________ _______ formed on the surfaces of inner planets when the planets collied with other objects in space.
2.
1 point
Earth is the _________ planet from the sun.
3.
1 point
Mars has many surface features that are characteristic of ____ by water.
4.
1 point
On Earth we have Earthquakes, on the moon there are Moonquakes, on mars there are _________________.
5.
1 point
Mercury rotates on its axis once every
6.
1 point
10 + 3 =
7.
1 point
What percent of the atmosphere on Venus is composed of Carbon dioxide?
8.
1 point
Jupiter gives off heat
9.
1 point
Halloween is in one _____
10.
1 point
A year on mars is _________ days.
11.
1 point
Jupiter is a a gas giant
12.
1 point
Pluto was once considered a __________
13.
1 point
Outer planets are mostly made of ___.
14.
1 point
The inner planets are also called _______________ because they are like earth.
15.
1 point
A planet with a deep and massive gaseous atmosphere is a:
16.
1 point
Mercury, the closest planet to the sun, circles the sun every _____ days.
17.
1 point
Saturn is the ____ planet from the sun.
18.
1 point
The planet that Venus most resembles in mass, size and density is _________.
19.
1 point
The orbital period of Earth is 365 1/4 _________.
20.
1 point
Jupiter is the ____ planet from the sun.
21.
1 point
A land form commonly found on mars :
22.
1 point
Earth has ___ moons.
23.
1 point
A day on mars lasts _________ hours and 37 minutes.
24.
1 point
There are rivers on mars.
25.
1 point
Venus appears to be very bright in the night sky because drops of _________ _______ form a clous layer that reflects sunlight.
26.
1 point
The four inner planets are Mercuy, Venus, Earth and _________.
27.
1 point
Mars is the ____________ planet from the sun.
28.
1 point
Uranus is the ____ planet from the sun.
29.
1 point
Earth completes one ____________ on its axis every day.
30.
1 point
Pluto is smaller than our moon.