The periodic table
Helium is this number
What is the 2nd element of the periodic table
this material is a fossil fuel
What is coal, oil, etc.
This person was the first person to land on the moon
Who is Neil Armstrong
2 hydrogen atoms and 1 oxygen atom makes this molecule
What is the chemical formula for Water
The 2 bones in your shin
What are the tibia and fibula
This is the 8th element in the periodic table
What is oxygen
Windmills make this kind of power
What is electricity
This planet is the biggest
What is Jupiter
This molecule has 1 oxygen atom and 2 carbon atoms
What is the chemical formula for Carbon dioxide
This is how many organ systems we have
What is 12
Sulfur is this number
What is the 16th element of the periodic table
This has happened to our earth over a long period of time because of greenhouse gases
What is climate change
This planet has 14 moon
How many moons does Neptune have
NaCl is the formula for this
What is the formula for salt
These are the 6 main parts of the brain
What are the cerebellum, frontal lobe, parietal lobe, occipital lobe, temporal lobe and the spinal cord
This is the 25th element of the periodic table
What is manganese
This is a gas in the atmosphere that absorbs and emits radiant energy
What are green house gases
It takes 54.6 million Km to travel from earth to this planet at the minimum length
How many Km at minimum is it to get from earth to mars
O3 is the chemical formula for this
What is the ozone layer
This is the amount of sences you have
What is 21
Einsteinium is this number
What is the 99th element of the periodic table
The ozone layer does this
What absorbs most of the suns ultraviolet radiation
On average this planet is 55 degrees C
On average how cold is Mars
CH4 is the chemical formula for this
What is methane
This fraction of your bones are in your feet
What is 1/4