Curated OER
Mapping
Introduce middle or high schoolers to topographic maps with this PowerPoint. After a review of longitude and latitude, display and describe contour lines and intervals. Also explain map scale. This is a useful presentation for a social...
Curated OER
Topographic Maps
Sometimes it is difficult to grasp topographic maps. Here is a clever presentation designed to help your middle school earth scientists understand. Beginning with a side view of a pair of mountains, a graphic guy walks up one slope. As...