In this learning activity you'll review the hazardous materials safety document which display an example of a SDS or MSDS (Material Safety Data Sheet).

In this animated and interactive object, learners calculate the area and centroid of a rectangle.

In this animated and interactive object, learners calculate the area and centroid of a quadrant.

In this animated object, learners examine how to find the center of gravity of a steel rod and of a two-dimensional shape.

In this interactive object, learners calculate a centroid of a composite area by first creating a chart. A short quiz completes the activity.

In this animated and interactive object, learners calculate the area and centroid of a semicircle.

In this animated and interactive object, learners calculate the area and centroid of a circle.

In this animated and interactive object, learners calculate the area and centroid of a triangle.

This learning object describes the equipment and supplies needed to document bloodstain patterns.

The learner sees photos of the spark patterns of various materials and their related properties.

Students will learn how to document bloodstains using roadmapping equipment materials

In this document you'll review photos of different types of drilling tools.

Learners examine the relationship of individual parts in an assembly drawing. Assembly drawing notes, fabricated and purchased parts, and sectional views are explained briefly.

In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.

Learners read about the process of dividing industrial goods into the categories of entering, foundation, and facilitating.

In this animated, audio and graphic activity illustration, learners will view design criteria for properly storing property and evidence.

Learners will be able to identify areas within the property room including adjoining work areas, work flow, temporary storage, long-term storage, high profile items, bulk or oversize items, biohazards, hazardous materials, cold storage, administrative area, and release areas.

In this colorful, interactive object, learners examine how materials on the nanoscale compare with those on the macroscale. The focus is on the difference between macroscale and nanoscale gold in both color and melting point.

In this animated activity, learners examine why various materials are conductors, insulators, or resistors of current. A short quiz completes the learning object.

Learners follow steps to size an interior grease interceptor in a plumbing system that is collecting deleterious materials from a commercial kitchen sink. A brief quiz completes the activity.

Learners follow step-by-step instructions for creating a current-state map to identify how materials and information flow.