What did the Chinese use to communicate during the Mongols' invasion? A) sign language B) Messages hidden in fortune cookies C) Messages hidden in moon cakes

What does earth's rotation cause? a)Hibernation b)Day and Night c)Four Seasons d)Flowers to grow

Australia is both a country and a continent. a) True b)False

When do Spring tides happen? A) At full moons and new moons B)At quarter moons

When the moon is close to Earth, we call it: A)Apogee B) Perigee

The great barrier reef is the only living thing that can be seen from the outer space. A) True B) False

What causes day and night? a)revolution of Earth b)rotation of Earth c)orbit of Earth d)The moon blocks the Sun

What takes a year? a)Rotation b)revolution

Which information about the kangaroo is INCORRECT? a) It is a marsupial b) there are 60 different species of kangaroos c) It lay eggs.

We should separate our trash A) Right B) Wrong

Which ocean is the largest? A) Atlantic Ocean B) Pacific Ocean C) Arctic Ocean D) Indian Ocean

As the Earth orbits around the sun, the direction of the tilt of its axis changes. a)True b)False