What is the process of an action potential? When a nerve impulse (which is how neurons communicate with one another) is sent out from a cell body, the sodium channels in the cell membrane open and the positive sodium cells surge into the cell. Once the cell reaches a certain threshold, an action potential will […]
Is pessimistic a bad word?
Is pessimistic a bad word? So pessimistic people are usually pretty negative. And kind of a bummer to be around. Think of Eeyore, Winnie the Pooh’s perpetually gloomy friend. The word comes to us, not surprisingly, from the Latin pessimus — meaning “worst.” How can you tell if someone’s a pessimist? 15 Subtle But Surefire […]
Can filling out the Fafsa hurt you?
Can filling out the Fafsa hurt you? You never want to assume that you won’t qualify for aid, or that filling out a FAFSA won’t benefit you. Your income could be different, the school’s cost could be different, your student could transfer, and much more. Filling out the FAFSA never hurts, and it’s not a […]
What are the 4 components of a galaxy?
What are the stages of reflection?
What are the stages of reflection? Stages. The traditional stages of reflection are self-awareness, description, critical analysis, synthesis, and evaluation. This is the cognitive model of learning by reflection. What are the reflective models? One of the most famous cyclical models of reflection leading you through six stages exploring an experience: description, feelings, evaluation, analysis, […]
What happens when you skip breakfast?
What happens when you skip breakfast? It is true that skipping breakfast causes people to be more hungry and eat more at lunch, but this is not enough to overcompensate for the breakfast that was skipped. In fact, some studies have even shown that skipping breakfast may reduce overall calorie intake by up to 400 […]
How are the boiling point and freezing point of a solvent affected when a solute is added?
How are the boiling point and freezing point of a solvent affected when a solute is added? How are the boiling point and freezing point of a solvent affected when a solute is added? The boiling point increases, and the freezing point decreases. Which one has highest freezing point 1M glucose? 1M glucose solution has […]
Do we see with our eyes or brain?
Do we see with our eyes or brain? Our eyes do a really good job of capturing light from objects around us and transforming that into information used by our brains, but our eyes don’t actually “see” anything. That part is done by our visual cortex. Our eyes being slightly apart creates an image that […]
How do you find maximum velocity?
How do you find maximum velocity? Using Calculus If acceleration is positive to the left and negative to the right, the point is a maximum velocity. In the example, a=3cos(t) is positive just before t=π /2 and negative just after, so it is a maximum; however, 3π/2 is a minimum because a=3cos(t) is negative just […]