A thousand is:, 1,000, 100, 10,000, A million is:, 1,000 × 1,000, 100 × 100, 10 × 100, A dinosaur is:, a prehistoric reptile, a modern animal, a sea plant, Extinct means:, no longer exists, still alive, very big, Earth is:, a planet, a star, a spaceship, Land is:, solid ground, water, air, The sea is:, salt water, fresh water, dry land, Air is:, gas, water, rock, A pyramid is:, a structure with triangular sides, a round building, a flat building, Egypt is:, a country, a planet, a language, A desert is:, very dry, very wet, very cold, A tomb is:, a place for the dead, a school, a shop, Treasure is:, valuable objects, rubbish, food, A spaceship:, travels in space, swims in the sea, drives on land, An astronaut is:, a space traveler, a driver, a farmer, The Moon is:, a satellite of Earth, a star, a country, A planet:, orbits a star, floats in water, lives underground, Take off means:, go up, go down, stop, Land (verb) means:, go down, go up, fly away, Which is correct?, The astronaut landed on the Moon, The Moon landed on the astronaut, The astronaut is the Moon, Dinosaurs lived ______ years ago., millions of, thousands of, hundreds of, Some animals become ______ when they no longer exist., extinct, ancient, large, The Earth is ______ that orbits the Sun., a planet, a star, a spaceship, Fish live in the ______., sea, air, desert, Birds fly in the ______., air, sea, land, Camels live in the ______., desert, sea, forest, The king was buried in a ______., tomb, pyramid, desert, A ______ is a very dry place., desert, sea, planet, The pyramid has ______ sides., four, three, five, Ancient Egyptians built ______., pyramids, spaceships, planets, The astronaut traveled in a ______., spaceship, car, boat, The rocket will ______ into space., take off, land, stop, The plane will ______ at the airport., land, take off, fly away, The Moon ______ the Earth., orbits, pushes, carries, The Earth has ______ Moon., one, two, three, A ______ travels around a star., planet, sea, desert, Treasure often includes ______., gold and jewels, water and sand, air and gas, Land is the part of Earth that is not ______., water, air, sand, Air is something we ______., breathe, drink, eat, One million is equal to one ______ thousand., thousand, hundred, ten, Dinosaurs are now ______., extinct, alive, sleeping, A dinosaur is a type of ______., reptile, mammal, bird, The Earth is part of the ______ system., solar, water, air, The Moon is ______ the Earth., near, inside, under, A spaceship travels in ______., space, water, desert, Astronauts train to go into ______., space, sea, forest, The desert has very little ______., rainfall, sunlight, wind, A tomb is used for ______ the dead., burying, cooking, teaching, Treasure is usually ______., valuable, dirty, useless, Egypt is in ______ Africa., North, South, East, Pyramids were built a long time ______., ago, tomorrow, today, The sea is made of ______ water., salt, fresh, hot, Land and sea are parts of the ______., Earth, Moon, sun, Air is all around ______., us, water, rocks, A planet moves ______ a star., around, inside, under, The rocket is ready to ______., take off, land, stop, The plane will ______ after the flight., land, take off, rise, There are 1,000 thousands in one ______., million, hundred, ten, A pyramid has a ______ base., square, round, triangle, The Moon shines at ______., night, day, morning.

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