Grade 1
Science
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Worksheet 1 of 50
Space Practice 1
Explore • Discover • Learn • Have Fun!
1
Earth has one natural ___.
2
Earth takes about one year to orbit the ___.
3
The largest planet is ___.
4
The planet closest to the Sun is ___.
5
The star at the center of our system is the ___.
6
Our galaxy is the ___.
7
A rocky object orbiting the Sun is an ___.
8
The planet known as the Red Planet is ___.
9
The Milky Way is a ___.
10
The Milky Way is a ___.
11
A person trained to travel into space is an ___.
12
Earth is a ___.
13
The force keeping planets in orbit is ___.
14
The planet with famous rings is ___.
15
The planet farthest from the Sun is ___.
16
The planet farthest from the Sun is ___.
17
Our galaxy is the ___.
18
The force keeping planets in orbit is ___.
19
The path of an object around another is an ___.
20
A group of stars forming a pattern is a ___.
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Bonus! Try these too.
The force keeping planets in orbit is ___.
Earth is a ___.
The Milky Way is a ___.
Earth has one natural ___.
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