Science
This “sister planet” of Earth is roughly the same size, but it spins backward.
Venus
It makes up the majority of Earths atmosphere, about 78% of it, and in its liquid state it’s about -321 degrees Fahrenheit.
Nitrogen
An acid is a substance that has a pH of less than this number.
7
This type of water is exactly pH 7.
Distilled
This consists of Rational, irrational, whole, integer, etc.
Real
This is the process of Hydrogen turning into helium in the suns core.
Nuclear Fission
What metal constitutes most of a penny?
Zinc
This person invented the Periodic Table.
Mendeleev
This is another name for basic.
Alkaline
This type of number is the result of finding the square root of a negative number.
Imaginary
Although we know Mercury is liquid at room temperature, we may or may not know this other element that is also liquid at room temperature.
Bromine
Atoms of elements in the same group of the periodic table have an equal number of these.
Valence electrons
Smaller particles found in protons and neutrons are called this.
Quarks
Apple
This number system bases itself off of 16. Odd.
Hexadecimal
Physical Matter and Dark Matter makes up less than 32% of all the “stuff“ in the universe. The other 68%, is this type of energy.
Dark energy
This is the most expensive element, ringing in at 1 billion dollars per gram.
Francium
Lightning strikes produce this compound, and it is depleting in our atmosphere, and is essential to reflecting UV light.
Ozone
This very common drink has a pH of 6.
Milk
This number system Is based off of the number 8.
Octal
There is enough of this in the average person’s body to stretch from the sun to Pluto and back — 17 times
DNA
This is the only letter not appearing on the periodic table. It’s also worth 8 points in Scrabble.
J
This is a particle representing a quantum of light or other electromagnetic radiation.
Photon
This compound has a pH of 14, so don’t eat it.
Sodium hydroxide
There are only two numbers in this number system. 0 and 1.
Binary