Space
Earth
Weather
Life
Respiratory System
100
The third planet from the Sun
What is the Earth?
100
The earth is covered by 71% this
What is water?
100
This forms when cold air and hot air mix and start to spin
What is a tornado?
100
These kinds of animals have live babies, instead of laying eggs
What are mammals?
100
What is a body organ that is responsible for breathing?
What is the mouth/nose/lungs?
200
The substance from which everything is made (even you!)
What is matter?
200
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
What are tectonic plates?
200
This forms when ice crystals stick together in the atmosphere during cold, winter days
What is snow?
200
All dog breeds are descended from this animal
What is the wolf?
200
What do all cells in the body need to function and survive?
What is oxygen?
300
A huge explosion that happens when a star runs out of fuel
What is a supernova?
300
This is why we have high tides and low tides in Earth's oceans
What is the moon?
300
This is an air channel collapsing after a lightning strike. Sometimes its very loud!
What is thunder?
300
This is how many species of animals there are on Earth:
A. 10.3 billion; B. 500; C. 8.7 million; D. 74,956
What is C. 8.7 million?
300
What is the muscle that controls breathing?
What is the diaphragm
400
An object in space which creates natural light through the process of nuclear fusion (atoms smashing together at very high speeds).
What is a star?
400
The remains of a prehistoric organism preserved in petrified form in rock
What is a fossil?
400
This happens when positively-charged particles and negatively-charged particles come close together inside a cloud
What is lightning?
400
These insects outnumber humans a million to one
What are ants?
400
How does exercise impact your lungs
What is it makes them stronger?
500
A region of space in which matter is so dense and so close together that even light cannot escape its gravity
What is a black hole?
500
These are strongest where tectonic plates meet
What are earthquakes?
500
These form over the Atlantic Ocean in the warm, tropical waters, and then move north toward land
What is a hurricane?
500
These ancient animals are actually thought to be more related to birds than to reptiles
What are the dinosaurs?
500
What are the little sacs of air inside the lungs called?
What is Alveoli