Science Facts
Genetics
Periodic Table
Chemistry
Chemical Equations
100
Watson and Crick discovered the......
Structure of DNA (double helix)
100
What does DNA stand for?
Deoxyribonucleic acid
100
How many electrons in Helium?
2
100
How many electrons are held in the first orbital shell?
2
100
Which side of the chemcial equation (left or right) are the products found on?
right side
200
How many autosomal chromosomes are in a human cell?
44
200
What is the chemical symbol for Fe
Iron
200
What is the chemical formulae for water
H2O
200
What does the (s) symbol mean in a chemical equation?
The product/reactant is a solid
300
In an entire lifetime, the average person walks the equivalent of.....
five times around the world
300
What is the chance of a pregnant female having a boy?
50%, 1 in 2, 0.5
300
What is the electron configuration of Mg?
300
What is an aqueous solution?
A solution in which the solvent is water.
300
What is the chemical equation for water?
400
Each of us have around 50 trillion cells (50,000 billion). If we took the DNA from all of those cells and laid it out in a linear fashion, it could wrap around the earth......
2.5 million times
400
What is meant by homozygous dominant?
Two copies of the same dominant allele
400
What group/s do the transition metals belong in?
Groups 3 through 12
400
What are the products for this chemical equation:
KNO3 + NaCl -->
KNO3 + NaCl --> KCl + NaNO3
400
Balance this equation:
CH4 + O2 --> CO2 + H2O
CH4 + O2 --> CO2 + 2H2O
500
If [what] exploded, transitioning from the red supergiant stage to supernova, it would light our sky continuously for two months. It could happen anytime — within a couple of thousand years, tomorrow or even now
Beetlegeuse
500
The gene for short-hair length (H) in rabbits is dominant over the gene for long hair (h). If a long-haired female rabbit was crossed with a short-haired (HH) male, what will be the predicted percentage of offspring with short hair?
100
500
Who invented the periodic table?
Dmitri Mendeleev
500
2C4H10 + 13O2 --> 8CO2 + 10H2O
Combustion reaction
500
Balance this equation:
C3H8 + O2 --> CO2 + H2O
C3H8 + 5O2 --> 3CO2 + 4H2O