Chapter 1- Finding Out About The Past Flashcards
What is the study of layers in the ground called?
They study of layers is called stratigraphy.
What is pre-history?
Pre-history is a time before written records we made
What is aerial photography?
Photographs taken from the air to find crop marks.
What are geophysical surveys?
This is a method using metal detectors to find hidden objects in the ground.
What is field walking?
Field walking is walking over a site, looking for objects of any interest.
What are the steps to preparing a dig? (3)
- Seal of the area
- Remove the topsoil
- Draw a site grid, with each square given a number and letter with the location of any found object written exactly on the grid.
What tools are used when doing a dig? (5)
Trowel: Main tool for digging
Sieve: Earth placed in sieve to separate the dirt and stones from the object.
Small Brush: Once examined, objects are cleaned with a small brush.
Photographic Scales: placed beside large objects to judge the size of it.
Polythene Bags: Object is then placed in the polythene bags which are labelled with the details of where the object was found.
Name and describe 2 ways artefacts are dated.
- Dendracronology: Archaeologists count the rings of a tree to see how many years it has been living.
- Carbon-14 Dating: All living things have the chemical carbon-14 in them. When they die, the amount of carbon-14 decreases, allowing archaeologists to calculate how many years it has been dead.
What is an artefact?
An artefact is a man-made object.