Space, The Earth, Sun and Moon Flashcards
Define Equinox
Is the time when the sun is directly over the equator. It happens twice a year.
What is a galaxy ?
A large system of stars held together by mutual graviton
What is earth?
It’s a planet. The only planet to have human intelligence and the supplies to survive. Also the only planet to have walking animals.
Name all the planets in our solar system
Mercury,Venus,Earth,Mars,Jupiter,Saturn, Uranus and Neptune, no not Pluto
Is the sun a planet
No
How many days does it take for the earth to orbit the sun
365 (366 leap year)
What force holds the Earth in its orbit around the Sun?
Gravity
The Moon does not give off it’s own light.
The Moon shines with light reflected from the …
Sun, because the moon and sun are not perfectly in line (going through the center of the earth)
What shape is the earth
Spherical ( a sphere from space but not perfectly flat).
In what direction does the sun set
West
The earth spins on its axis every ….
24hours
- A solar eclipse is when the Moon blocks out the Sun’s light to the Earth. True or false
True
In which direction does the earth rotate
Anti-clockwise
What planet is closest to the sun
Mercury
True or false. The sun orbits the earth
False
At what time is the sun at its highest from a earth perspective
Midday or noon
What holds the planets in there orbit around the sun
Gravity
How many planets are there in our solar system
8
Which planets in own solar system contains life
Mercury, earth and Mars the rest other than Venus are to cold. Venus is to hot and bacteria and other parasites are classified as life.
What is the biggest planet/star in our solar system
The Sun
what are the 2 types of eclipses?
Lunar Eclipse and Solar Eclipse
what causes day and night
The earth spinning and sun being on one side (our side) to provide light and the sun on the other side of the earth so there is no light
what is an axis
an imaginary line that goes from the north to south pole
what is a tide?
a tide is the rising and falling of the sea
how many times does a tide occur
twice, once in the morning, and once in the evening
what is a high tide?
when the sea is at its highest level.
what is a low tide
when the sea is at its lowest level
Is Pluto a dwarf planet? true or false
True
What is causing ice in the north/South Pole to melt
Global warming