What Does a Gram of Sugar, Salt, or Fat Really Look Like?

I always check nutrition labels when I’m at the grocery store and use them to help pick the best option among the variety of pre-packaged foods I purchase. I check sugar, salt, and fat contents, but to me all those numbers (measured in grams) are an abstract relative. What does a gram of sugar—or salt, or fat—really look like? I went on a mission to find out: