To find this measurement, add up the lengths of every side of the shape
What is perimeter?
This imaginary line that circles the middle of the earth is the division line between North and South Hemispheres
What is the Equator?
In this year, Columbus is remembered for discovering America
What is 1492?
This subatomic particle carries a negative charge
What is an electron?
What are length and width?
This imaginary line of 0° longitude runs from the North Pole to the South Pole, dividing the Earth into the Eastern Hemisphere and the Western Hemisphere
What is the Prime Meridian?
This is the year the US declared its independence from Great Britain
What is 1776?
These two subatomic particles make up the nucleus of an atom
What are protons and neutrons?
Despite its silly name, this is the largest lake in South America
What is Lake Titicaca?
This country's main exports are oil, coffee, and cocaine
What is Colombia?
The Galapagos Islands belong to this country
What is Ecuador?