200 calories doesn’t seem like a lot – but it might be, depending on what you’re eating. This video from ASAP Science shows what 200 calories worth of a variety of foods looks like. You might be shocked at the difference in size between 200 calories worth of cheese and 200 calories worth of broccoli!

Not that calories are bad, mind you. The video also explains what a calorie actually is, and why it’s important to look at the nutrient content of your food in addition to the calorie count. If you’re looking for a quick lesson on the science of what you eat, this is the ticket. Check it out!