On which day is Earth day celebrated?
22 April
When was the first Earth day observed?
1970 April 22
Approximately how old is the Earth ?
4.5 Billion years
The Siberian traps are remnants of what sort of activity on Earth, occurring 250 million years’ ago?
Volcanic Activity
What % of the Earth is covered in water?
70 %
What is the layer of the Earth between the crush and the core called?
Mantle
Compared with average regions around the Earth, Hudson bay in Canada has a lower level of what?
Gravity
What is the % of oxygen in our environment?
21%
Which is the layer of the planet Earth where life exists?
Biosphere
What structures are often referred to as the “Rainforests of the sea”?
Coral Reefs
What is a chemical combination of silicon and oxygen?
Silica
What chiefly dictates the tidal patterns on Earth?
The Moon
What is the theme of Earth day 2020?
Climate action
What is the theme of Earth day 2021?
Restore our Earth
What is the movement of Soil,minerals and rock from one place to another called ?
Erosion
What disaster led to founding of Earth day?
An oil spill off the coast of California
The tropic of cancer is situated in the north or South of the equator?
North
Which gas is made up of molecules that are formed by three oxygen atoms?
Ozone
How many years does plastic takes to decompose?
1000 years
The first Earth day celebrations took place in?
USA
What is the type of natural environment in which a particular species of organism lives?
Habitat
According to popular belief, what shape was the Earth thought to be before the expedition of Christopher Columbus?
Flat
Which is the surface of the sun visible from Earth called?
Photosphere
Who is considered the founder of Earth day?
Gaylord Nelson
Which is a place in space where gravity pulls so much that even light can not get out?
A Black Hole
Be First to Comment