the body
Nature /Science
Space/Science
Animals
Geography
100

Which organ in the human body is primarily responsible for filtering blood?

kidney

100

What is the most common element in the world?

Hydrogen 

100

Which planet has rings?

Saturn 

100

What is the main food source for a Koala? 

Eucalyptus leaves 
100

Which country is shaped like a boot?

Italy 

200

How many bones on average are in the human body?

206

200

What is the fastest growing plant?

bamboo

200

What is the speed of light approximately? in miles 

186000 miles per second 

200

What is the largest type of deer?

A moose


200

Which continent has the most freshwater?

Antarctica  

300

what bone is the longest and strongest?

the Femur 

300

what is the top layer of a forest called?

the canopy 

300

How many layers does Earth have? 

Five, crust, upper mantle, lower mantle, outer core, inner core 

300

What is the largest species of penguin?

Emperor Penguin

300

What is the name of the largest island in the world? 

Greenland 

400

The Cranium is also known as what?

The skull, especially the part enclosing the brain 

400

What is the boiling point of water in fahrenheit? 

212

400
  1. How many layers are there in Earth’s atmosphere? 

Five (Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere)

400

which animal has the thickest fur?

The Sea Otter,  with up to a million hairs per square inch, which serves as insulation in cold waters since they lack the blubber of other marine mammals. This dense, double-layered fur traps air close to their skin, keeping them warm.  

400

What do you call a chain of mountains?

A range 

500

the patella is commonly known as what?

the kneecap 

500

how do seeds travel to different places? there are four answers

wind, water, animals, gravity 

500
Which planet is the hottest?

Venus is the hottest planet due to a massive, runaway greenhouse effect caused by its incredibly thick atmosphere, which is almost entirely made of carbon dioxide

500

What is a baby whale called? 

Calf


500

What is the longest river in the United states?

The Missouri River 

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