Learners examine radial and concentric fractures in glass to determine the sequence of the impacts.

Visualizes direction and quantity of glass particles as the glass is impacted by a force.

This learning object shows how the shape of a stain defines the angle of impact. In general terms the more circular the stain, the more perpendicular will be the angle at which it struck the surface. The more elliptical the shape of the stain, the more acute the angle will be. With practice and experience, the analyst can recognize the general angle of impact based solely on the shape of the stain.

In this screencast, explore the legislative, executive, and judiciary branches of the U.S. government. External resource: www.usconstitution.com

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

In this interactive object, learners view the icons and symbols used most frequently in value steam mapping. A matching activity completes the object.

In this interactive object, learners select the correct description of a child in the five stages of development in the following categories: pattern of growth, vital signs, organ development, vision and hearing, and developmental stage.

The learner reads an explanation of all of the elements that comprise a future-state map. A map is shown.

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

Sort the words by their long vowel patterns.

Guess the EEG pattern in adult wake and sleep from the description given