Flashcards in Earth And beyond Deck (20)
How many planets are there in the Solar system?
8, and they move around the sun
True or False: most of the earth is covered with trees.
False. Three quarters of the Earth is covered with water.
What do we call the layer of air that covers the earth? And why is it important?
The atmosphere. It protects us from the dangerous rays of the sun.
Which is our nearest star?
True or false: the earth moves around the moon.
False. The moon moves around the earth.
Which two oceans are on either side of your country?
The Atlantic, to the west, and the Indian Ocean to the East.
How many continents are there on the earth? Name them.
Seven. North America, South America, Africa, Asia, Europe, Australasia and Antarctica.
Which planet is the fifth largest?
What is the axis of the earth?
It is the imaginary line passing through the centre of the earth from the north to the south poles, around which the earth spins, or rotates.
How long does it take the earth to complete one rotation?
24 hours: one day and one night.
True or false: the earth is the fourth planet outward from the sun.
False. Earth is the third planet outward from the sun
How long does it take the earth to orbit or revolve around the sun?
365 and a quarter days = one year
What is the equator?
It is the imaginary line that divides the earth into 2 equal halves.
What are the two halves of the earth called?
The half north of the equator is called the northern hemisphere and the part south of it is the Southern Hemisphere
If we say that the earth is spherical in shape, what do we mean?
It is shaped like a ball, completely round.
Which way does the earth rotate?
What is the centre of the earth like?
The rock is so hot that it has melted; called magma
Name the planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
What are some of the differences between planets and stars?
All stars are balls of burning gas and they give off their own light, which is usually not steady. It looks like they twinkle. Planets are not balls of burning gas. Some are mainly rock and others are very large balls of cold gas. Planets do not give off their own light and reflect the light from the sun.