II. Read each statement carefully. Write T if the statement is true and F if the statement is
false.
11. Earth is the biggest of the four planets closest to the Sun, all of which are made of
rock and metal.
12. Earth is the biggest of the terrestrial planet.
13. The surface of Mars appears reddish-yellow because of the iron oxide in the soil
and dust that cover most of the planet.
14. Mars' gravity is about two-fifths as strong as Earth's.
15. Uranus is the eight planet from the sun and the fourth largest in the solar system.
16. The four inner planets are called Jovian planets.
17. Terrestrial planets are made up of heavy metals.
18. Mercury is a little more than 1/3 the width of Earth and its gravity is less than half
as strong as Earth's.
19. Mars was once considered a twin planet to Earth due to its size and mass similar
to the Earth's.
20. The relative distance of Venus from the sun is 90 million kilometers.​