Task 1:

1. True

2. False

3. True

4. False

5. False

Task 2:

1. We live on the Earth.

2. There are eight planets in Solar system.

3. Mars is smaller than Jupiter.

4. Earth is bigger than Mercury.

5. Jupiter is the biggest planet in Solar system.

6. Mercury is the closest planet to the Sun.

7. Mars is named after a God of war.

8. Saturn has got rings.

9. Mars is called a red planet.

10. Mercury is the smallest planet.