The Big Bang
When did the Big Bang occur?
What is 13.8 Billion years ago?
What is another word for atom?
What is element?
What is biology the study of?
What is life?
This is a term for a water-loving polar molecules.
What is hydrophilic?
This is a reaction in which atoms are combined or rearranged?
What is a chemical reaction?
What existed right after the Big Bang?
What is subatomic particles?
What part of an atom has a neutral charge?
What are neutrons?
What is the basic unit of life?
What is the cell?
This is a term for water-hating nonpolar molecules.
What is hydrophobic?
This is the substance that is altered in chemical reactions?
What is the reactant?
What were the two first atoms to appear after the Big Bang?
What are hydrogen and helium?
What part of an atom has a positive charge?
What are protons?
What is the scientific term for changes in a population over time, i.e. the process that allowed bacteria to become trees, humans, rabbits, slugs, etc...?
What is evolution?
These are two letters that give a number that tells if a substance is an acid or a base.
What is pH?
This is the substance formed by a chemical reaction.
What is product?
What forged the 90 natural elements/atoms on the periodic table.
What are stars?
What part of atoms has a negative charge?
What are electrons?
What is the process that allows organisms to adjust to their environmental conditions (hint: an important driver of evolution)?
What is an adaptation?
This is a term for a substance that can donate a proton or accept an electron pair (hint: lemon juice).
What is acid?
This is a bond between atoms resulting from the sharing of one or more pairs of electrons.
What is a covalent bond?
How long ago was the earth formed?
What is 4.5 billion years ago?
In what part of an atom is almost all of the mass?
What is the nucleus?
What is the chemical in an organism that contains the "instructions for life?"
What is DNA?
This is a term for a substance that can accept a proton, release or donate an electron pair (an alkali).
What is a base.
This is a bond between atoms formed by the strong attraction of opposite charges.
What is an ionic bond?