Science Vocabulary/concepts
What is cohesion?
Cohesion is when water sticks to itself because it is a polar molecule.
What is polarity?
Polarity is anything with a positive and a negative side like a water molecule!
What is a Historian, What do they do?
Historians write and form a story of past events.
Is an artifact a primary or secondary source? Why?
Yes it is a primary source!
What is adhesion
Adhesion is when molecules stick to molecules other than themselves, like when water sticks to glass in a beaker.
What is condensation?
Condensation is when water vapor turns into a liquid. like when clouds form
What is an Archaeologists?
An archaeologist is someone who finds and digs site where historical events took place they piece together items to form a narrative.
What is Transpiration?
Transpiration is when water moves up through plant roots and outof the leaves into the air
What is precipitation?
Precipitation is when water falls to earth from clouds.
What is a primary source?
A primary source is any original records of the past, created by someone who was there. THEY HAVE TO BE BE INVOLVED IN THE HISTORICAL EVENT!
What is a historical narrative? Describe one!
A historical narrative is any agreed upon story of what happend in the past.
What is evaporation?
Evaporation is when liquid water turns into water vapor!
What is specific heat?
Specific heat is the energy required to heat a substance.
What is a secondary source.
A secondary source is an account of an event written or created by someone who was not there!
What is sublimation?
Sublimation is when solid water turns into vapor without turning into liquid first.
What is a solvent?
A solvent is a liquid that can dissolve things!
What is an artifact.
An artifact is something made or used in the past.
How are historians and archaeologists different?
Historians use first hand accounts of past events to form a story of the past. Archeologists search for physical evidence to piece together a a story of the past at dig sites!