lines connecting places of equal elevation
What are contour lines?
how you know closed contour lines show a crater (or depression) and NOT a hill
What are hachure marks or "little teeth"?
the starting point of all time zones
What is the prime meridian?
difference in elevation between 2 contour lines
What is contour interval?
the change in elevation between the two points below: Elevation at point A - 680 ft Elevation at point B - 320 ft
What is 360 ft?
the time it is in California if it is 9 pm in Ashburn, VA
What is 6 pm?
the way you can tell if a hill either steep or gentle
What is look at the closeness of the contour lines?
the way you know the direction a river is moving on a topographic map
What is look at the open part of the V shape that contour lines make?
What is noon or 12 pm?
the location on Earth you would have an elevation of zero
What is at the ocean (or sea level)?
degrees of latitude/longitude are broken down further into ____________ and ____________ to be very precise about location
What are minutes and seconds?
the reason why we have time zones
What is because Earth rotates on its axis once every 24 hours?
Find the gradient of the hill, given the information below: Change in elevation between 2 points- 150 ft Distance between the 2 points - 3.5 miles
What is 42.86 ft/mi?
I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
What is an echo?