Chemical Reactions

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a substance that is formed as the result of a chemical reaction

• Product 
• Reactant
• Starters
• Enders

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a process or reaction in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat

• Endothermic Reaction
• Exothermic Reaction
• Diffusion
• Fission

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6

NGSS.MS-PS3-4

a chemical reaction that releases energy by light or heat

• Endothermic Reaction
• Exothermic Reaction
• Diffusion
• Fission

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A chemical change is different than a physical change because in a chemical change

• chemicals are used

• molecules do not physically touch

• a new substance is formed and in a physical no new substance is formed

• the change can be seen but in a physical change it cannot

Tags

NGSS.MS-PS1-2

Which of the following 2 are chemical reactions?

• sugar dissolving in water

• water turning into steam

• burning wood

• mixing baking soda and vinegar

• tearing paper

Tags

NGSS.MS-PS1-2

How many Carbons are present on the reactant side?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many Hydrogens are on the product side of this chemical equation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

How many Oxygens are on the product side of this chemical equation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Why are chemical equations always balanced? Select ALL that apply.

• Matter cannot be created.

• Matter cannot be destroyed.

• Matter can only be rearranged/conserved.

• Matter doesn't matter.

Tags

NGSS.MS-PS1-5