The Scientific Method
A testable explanation of a natural phenomenon.
What is a hypothesis?
The smallest unit of life.
What is the cell?
Anything that takes up space and has mass.
What is matter?
What is a polar molecule?
This atom is the basic building block of biological molecules
The variable that YOU the scientist can change.
What is the independent variable?
All of life on Earth, collectively.
What is the biosphere?
Positively charged subatomic particles that give an element its identity.
What is a proton?
These bonds absorb excess kinetic energy and allow water to stabilize temperature.
What are hydrogen bonds?
Molecules with the same chemical formula but different structures.
What is an isomer?
The variable that you expect to see change as a result of the independent variable.
What is the dependent variable?
Single-celled organisms that are usually extremophiles.
What are archaea?
Electrons in the outermost shell of an element.
What are valence electrons?
This atom in water forms hydration shells around cations in solutions.
What is oxygen?
The formation of a polymer from a monomer by the removal of water.
What is dehydration synthesis?
A comprehensive explanation supported by an abundance of evidence.
What is a scientific theory?
The maintenance of an internal environment with conditions different than that of the external environment.
What is homeostasis?
What is a covalent bond?
What is cohesion?
Animals use this to store energy in their muscles and liver.
What is glycogen?
A form of logical thinking that uses a general principle or idea to forecast specific results.
A diagram meant to represent how closely related organisms are.
What is a phylogenetic tree?
A bond formed when slight positive charges in one molecule are attracted to slight negative charges in another molecule.
What is a hydrogen bond?
These substances increase the concentration of hydrogen ions in solution.
What are acids?
A chain of amino acids.
What is a polypeptide?