Planet earth And beyond Flashcards
What shape is the Earth?
The earth is a sphere
How much water is the Earth’s surface?
71%
What is the difference between sand and soil?
Sand is crumbled rock. Soil is crumbled rock mixed with dead plants and leaves.
What is the difference between an ocean and a sea.
The ocean is the largest saltwater surface. The sea is smaller saltwater surface.
What is the difference between an island and a continent?
Piece of land, smaller than a continent, surrounded by sea.
List the seven continents
Africa, Asia, Australia, Antarctica, North America, South America, Europe
What are polar ice caps?
Ice covering large areas at the north and South Pole.
What is the atmosphere?
Special layer of air. Extends 600Km above earth,s surface.
Contains gasses needed to breathe.
Also acts as a blanket, keeps surface warm enough for living things to survive.
What is a planet?
A large object that moves around a star.
What is a star?
Object in space that gives off own light.
What is the Sun
A bright star that gives light and warmth to earth.
Does the moon have its own light?
No. It is a cold, round object that moves around the earth. It gets its light from the Sun.
What is the difference between revolve and rotate?
Revolve is when an object in space goes around another one. It takes the earth 365 days to revolve around the sun.
Rotates is going around on its own axis.
The earth rotates every 24 hours.
What is an orbit?
The path the object travels on when it is revolving.
Why do we have day and night?
When our part of the earth faces the sun, we have daylight
