Science Lesson 1 Flashcards
The only planet in the solar system to have water in all its three states of matter: solid, liquid
and gas.
Earth
The only planet that is known to support life.
Earth
4.6B years old; life has only existed for the last 150-200M years;
Earth
What month do we have an extra day every four years?
February
Millions of years ago, a day on earth will have been how many hours long?
20 Hours long
It is believed that after a few million years, a day on earth will be how long?
27 Hours long
In the center of the earth, its core is molten. It is _____________ which sometimes erupt through volcanic eruptions.
Liquid rock
How hot is the core of the earth?
7,500 C
It is the ONLY planet that is not named after a mythical god.
Earth
Many planets of our planets are named after Roman gods.
What are the name of the names of these planets?
Mars -
Venus -
Jupiter -
Saturn -
Neptune -
Uranus -
Pluto -
Mars - God of War
Venus - Goddess of Love
Jupiter - King of the Gods
Saturn - God of Agriculture
Neptune - God of the Seas
Uranus - ancient Greek deity of the heavens
Pluto - God of the Underworld
When and where was the coldest temperature ever recorded on Earth?
July 21, 1983. Vostok, Antartica.
Where was the highest global temperature ever recorded?
Death Valley, California. 54.44C
How fast is the Earth’s orbital speed?
108,000km an hour.
Earth’s atmosphere is mainly composed of what?
Nitrogen 77%;
It only has one natural satellite; this is called?
Luna
