The student then feels better about themselves because they can immediately apply the learned information to other problems. We don't think it improves the learning process although some disagree. These are all physical things that can be measured. Most textbooks bold face the units that also contain direction information. All quantities that are not vectors are called scalars.
Time is a scalar quantity.
The WWW links on this site will take you directly to the various web site pages. Your browser URL address line will tell you the origin of the site and it's material. Let's talk a moment about unit conversions. It makes little difference what set of units you use. The distance for example could be in miles, feet, or meters.