universe
what is the milky way
what is our galaxy
who created the lightbulb
who is thomas edison
the speed of sound
mach 1 or mach
solid,liquid,gas,plasma
what is 4 types of matter
solar energy
what is energy generated by the sun
what is in our solar system
what is 7 planets one star
who created the lightning rod
benjamin franklin
kinetic and potential energy
2 fundamental types of energy
NaCl
what is salt
wind energy
what is energy generated by the wind
what is a nova
what is an exploding star
who created the science of nuclear bomb
who is albert einstein
3.14159
what is pi
proton,electron,neutron
what is building blocks of atoms
geothermal
what is energy from earth
this is 13.7 billion years old
what is observable universe
who created the tesla coil
who is nikola tesla
theory of relativity
what is albert einsteins popular theory
118 elements
what is periodic table
mechanical energy
what is kinetic energy and potential energy combined
this is 70 percent of universe
what is dark matter
who created the periodic table
who isdmitri mendeleev
transverse wave
what is electromagnetic wave
212 farenheight
what is boiling point of water
dicensphere