Structure and properties of matter
What type of energy increases when particles move faster?
Kinetic Energy
What is the law that states that matter cannot be created or destroyed?
Law of Conservation of Mass
What type of change absorbs energy from the surroundings?
Endothermic
What are the substances at the beginning of a chemical equation?
Reactants
What type of change releases energy to the surroundings?
Exothermic
What is "S" in the periodic table
Sulfur
Why are models important to the scientific community?
They help scientists study and explain things that are too small, too large, or too complex to observe directly.
What is a physical change?
An revirsable change in a state of matter
What are the 3 states of matter?
Solid, Liquid, and Mass
What is a chemical change?
A irrevirsable change creating new substances