Simplify the following text for a Grade 10 native English-speaking person.
Original: If a chemical system at equilibrium experiences a change in concentration , temperature , volume , or partial pressure , then the equilibrium shifts to counteract the imposed change and a new equilibrium is established .
Simplified: It is used to see the effects of relations between concentration , pressure , and temperature . If a change of condition is added onto a system at equilibrium , the equilibrium position will shift in the direction that wants to reduce that change .