Why Are You Alive – Life, Energy & ATP

Important Vocabulary Words From The Video


To radiate is to give off energy in all directions. When you are radiating positive energy, you are creating a positive atmosphere.

  • She radiated a positive attitude and helped everyone feel better.
  • The book is filled with positive energy, which is why it's so helpful.

An indigestible object is something that is not able to be digested. This can mean anything from a piece of food to a piece of metal.

  • The food was indigestible and caused a lot of problems.
  • The metal was too indigestible and caused a lot of problems.

When something is wobbly, it is unstable and uncertain. The table was wobbly, and it was easy to knock over.

  • The chair is wobbly, and it's not very comfortable to sit in.
  • The ground is wobbly, and it's easy to fall down.

A betrayal is a situation in which someone who is supposed to be loyal to you turns out to be disloyal. This can happen in a variety of ways, from someone who tells you a secret that they never should have told you to someone who betraying your trust by doing something that you asked them not to do.

  • He was betrayed by his friends when they told the police about the incident.
  • She was betrayed by her boyfriend when he broke the promise not to hurt her.

Amoeba is a type of protist. Protists are a group of organisms that are not vertebrates, invertebrates, or fungi. Amoeba is a single-celled organism that lives in water.

  • Amoeba is a type of protist.
  • Amoeba is a singlecelled organism that lives in water.

Armadillos are animals that are related to the sloth. They have a long snout and they are able to roll up into a ball to protect themselves.

  • Armadillos are good at hiding, which is why they are so common in the Everglades.

To combust is to burn. When something burns, it goes up in flames and produces a lot of heat.

  • The house was completely consumed by the fire, and the firefighters had to comb the area for any remaining combustibles.
  • The article discusses the dangers of combustible materials, which can easily combust and cause a lot of damage.

To spit is to throw something out of your mouth. When you spit, you usually throw the object very far away.

  • He spat on the ground after he insulted me.
  • She spat on the ground after she saw the dog.

A multicellular organism is one that contains more than one cell. This means that the organism is able to divide into different parts, and to function as a whole.

  • Multicellular organisms are found in all sorts of places, from the ocean floor to the inside of a human body.
  • Multicellular organisms are very important because they are able to adapt to new environments.