Periodic Table
Chemistry
Earth history
Human body
100
Vertical columns on the periodic table
What is groups
100
What is the center of an atom
What is nucleus
100
Longest part of earths history
What is precambrian time
100
Main organ of the respiratory system
What is lungs
200
Group 2 on the periodic table contains what metals
What is alkaline metals
200
The atoms nucleus contains atleast one ____.
What is proton
200
Era of middle life
What is mesozoic era
200
Main organ of the circulatory system
What is heart
300
Are non-metals on the right or left side of the periodic table?
Right side
300
What is the number of protons in an atom called
What is atomic number
300
Era of ancient life
What is Paleozoic era
300
Blood vessels that carry blood into the heart
What is veins
400
All of group 18 on the periodic table are known as what (solid liquid or gas)
What is Gas
400
The Change of a substance from gas to a liquid
What is condensation
400
Era of recent life
What is cenozoic era
400
Main organ of the digestive system
What is stomach
500
All metallics are known as what? (Solid liquid or gas)
What is solid
500
Amount of matter in a object
What is mass
500
How many eras are there
What is 3
500
Organs that are shaped like beans that clean your blood
What is kidneys
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