The third planet from the Sun
Earth
The earth is covered by 71% this
water
This forms when cold air and hot air mix and start to spin
tornado
These kinds of animals have live babies, instead of laying eggs
mammals
True or False
A member of the green circle can know my birthday.
True
The substance from which everything is made (even you!)
matter
The three layers of the Earth are the core, the mantle, and the crust. The top layer, the crust, is where we live and is made up of these
tectonic plates
This forms when ice crystals stick together in the atmosphere during cold, winter days
snow
All dog breeds are descended from this animal
wolf
True or False
If a member of the red circle comes to my door, I should talk to them.
False
A huge explosion that happens when a star runs out of fuel
supernova
This is why we have high tides and low tides in Earth's oceans
moon
This is an air channel collapsing after a lightning strike. Sometimes its very loud!
thunder
This is how many species of animals there are on Earth:
A. 10.3 billion; B. 500; C. 8.7 million; D. 74,956
8.7 million
Name all 5 social circles and their colors
Me (Purple), Family (Blue), Friends (Green), Acquaintances (Yellow), Community Helpers (Orange), Strangers (Red)
An object in space which creates natural light through the process of nuclear fusion (atoms smashing together at very high speeds).
star
The remains of a prehistoric organism preserved in petrified form in rock
fossil
This happens when positively-charged particles and negatively-charged particles come close together inside a cloud
lightning
These insects outnumber humans a million to one
ants
True or False
Members of the yellow circle are allowed to know how much money I have in the bank.
False
A region of space in which matter is so dense and so close together that even light cannot escape its gravity
black hole
These are strongest where tectonic plates meet
earthquakes
These form over the Atlantic Ocean in the warm, tropical waters, and then move north toward land
hurricane
These ancient animals are actually thought to be more related to birds than to reptiles
dinosaurs
What can members of the orange circle know?
Name, parent's name, age, health information, etc.