Page 21 - Science Tour 2 (Workbook)

Put ( ) or ( ):

1. The Earth is at the centre of the solar system. ( )

2. There are eight planets in the solar system. ( )

3. Mercury is one of the rocky planets. ( )

4. There are five gas planets. ( )

5. The solar system is made up only of planets. ( )

6. Planets orbit the Sun. ( )

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