Question

draw a dot on the map for each given location, based on the coordinates. then connect the dots to chart your course. set sail from santa barbara, california, 35 degrees n, 120 degrees w. visit mauna loa, an active volcano and scientific observatory, on hilo island, hawaii, 20 degrees n, 155 degrees w. next, travel to caroline island, 10 degrees s, 150 degrees w, to study the seabirds and coconut crabs. go to samarai island in papua new guinea, 10 degrees s, 150 degrees e. continue south for a scuba adventure through the great barrier reef, 20 degrees s, 150 degrees e. gday mate! bonus: the international date line is a longitudinal line that divides one day from another. if you cross this line moving east, it is a full day earlier. moving westward across the line, it is a full day later. if you sail from california to australia, would you move forward or back a day as you crossed the datoline?

Explanation:

Step1: Identify starting and ending locations

Start is California (west - side of the Americas) and end is Australia (east - side relative to California across the International Date Line).

Step2: Recall date - change rule

Moving westward across the International Date Line, it is a full day later.

Answer:

You would move forward a day.