React - to respond to a stimulus
Example: I expect my students to react to my jokes.
Increase - to become progressively greater, bigger
Example: The cases of COVID are increasing.
Control - to have power over
Example: The teacher controls the class.
Supply - the quantity or amount of something needed or available
Example: The supply of birdseed is over.
Balance - equilibrium
Gymnasts have a good sense of balance.
Scarce - deficient in quantity or number, not abundant, not many/much
Example: The vaccine is still a bit scarce.
Decrease - to grow progressively less
Example: Using masks decreases the risk of getting COVID-19
Interact - to act with one another
Example: Quiet children don't interact much.
Amount - the total number or quantity
Example: The amount of food is enough for everyone.
Behavior - the way in which someone conducts oneself or behaves
Example: My students have good behavior.