1) which is the inner planets. a) Neptune b) Saturn c) Mars d) Sun 2) What are the four inner planets? a) Sun Moon Earth Mars b) Moon Jupiter Neptune Pluto c) Uranus Earth Venus Mercury d) Mercury Venus Earth Mars 3) Why is Venus the hottest planet even though Mercury is closer to the Sun? a) Venus has more suns than Mercury. b) Venus has thick poisonous atmosphere. c) Venus is close to Earth. d) Venus has more sea. 4) What is the Great Red Spot on Jupiter? a) Storm b) Volcano c) Lava d) Helium oxide 5) How do meteors and meteorites differ? a) They have no different. b) Meteorites reach Earth’s surface but Meteors burn up in Earth’s atmosphere. c) Meteors are stones but Meteorites are Meteoroids. d) There’s no right answer. 6) Why does Neptune appear blue? a) There are so many ocean. b) Due to Methane. c) There is blue soil. d) There’s no right answer. 7) Where is the Asteroid belt? a) between Mars and Saturn. b) between Mercury and Venus. c) between Uranus and Neptune d) between Mars and Jupiter. 8) How long does it take the Earth to complete one revolution around the Sun? a) 1 day b) 24 hours c) 365 days d) 5000 days 9) What are Saturn's rings made of? a) asteroids b) rocks and ice c) rocks d) ice 10) Which planet has the most moons? a) Earth b) Mecury c) Saturn d) Jupiter 11) Which planet has the strongest winds? a) Mercury b) Earth c) Mars d) Neptune 12) What are the two movements of planets? a) Rotation and Revolution b) Orbit and Rotation c) Responsible and Revolution d) Satellite and Sensitive  13) What is rotation and Revolution cause? a) days and nights , seasons b) rain , wind c) ocean , orbit d) days , night 14) What is a comet made of? a) rock and ice b) ice and dust c) rock and dust d) asteroid and rock 15) How does the Moon affect Earth? a) different sea levels b) different orbits c) different phases d) different days and nights 16) Which planet is known as the Red Planet? a) Earth b) Venus c) Mars d) Jupiter 17) Why Do People Use Frosted Window Films? a) Privacy b) For nothing c) They want to use. d) They like it. 18) What kind of object is a fishbowl? a) transparent b) translucent c) opaque 19) What kind of object is a wax paper? a) transparent b) translucent c) opaque 20) What kind of object is a clear plastic ? a) transparent b) translucent c) opaque 21) What kind of object is a brick wall ? a) transparent b) translucent c) opaque 22) Why do shadows change size during the day? a) because the Sun change its position. b) because shadows can change its size. 23) What happens when light hits an opaque object? a) nothing happens b) image c) shadow d) picture 24) What is Light? a) form of line b) form of energy c) form of object d) form of translucent 

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