Day 3 STAAR Science Review

the new substances produced from a chemical reaction and are written on the right side of the chemical equation

• Chemical Reaction

• Reactant

• Products

• Physical Change

Tags

NGSS.MS-PS1-2

a change in the temperature, state of matter, shape, density, or any other observable characteristic of a substance

• Physical change

• Chemical change

• Product

• Reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

a chemical equation that has equal number and type of atoms on the reactant and product side of the equation

• The Law of Conservation of Mass

• Chemical Reaction

• Products

• Balanced Equation

Tags

NGSS.MS-PS1-5

a change when a new substance is formed from the reaction between two or more substances

• Chemical Reaction

• Physical Reaction

• Chemical Change

• Chemical Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

the process in which the physical and chemical properties of substances are changed when new substances and formed

• Physical change

• Chemical change

• Chemical reaction

• Physical Reaction

Tags

NGSS.MS-PS1-2

the principle that states the mass of the substances before a reaction is equal to the mass of the substance after the reaction

• The Law of Conservation of Mass

• Reactants

• Products

• Coefficient

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

the substances in a chemical reaction that are being changed into new substances

• Reactants

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

the number that precedes a chemical formula that indicates the number of molecules

• Product

• Reactant

• Coefficient

• Chemical Reaction

What part of the atom is either positive or negative?

• Electrons

• Protons

• Ions

• Neutrons

Iron bond with oxygen to create rust. What hold true about the law of conservation of mass?

• Atoms were lost in the reaction

• Atoms were rearranged but balanced

• Oxygen atoms were gained in the reaction

• Atoms were rearranged but are unbalanced

Tags

NGSS.MS-PS1-5