Conservation of Matter Practice

Matter can be created or destroyed.

• True

• False

Tags

NGSS.MS-PS1-5

Chemical Reaction

• The energy that is stored in all compounds and potentially released in chemical reactions.

• To maintain at a constant overall total.

• The smallest particle of an element that maintains the chemical identity of that element.

• The process by which one or more substances change to produce one or more different substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Matter cannot be created or destroyed describes which of the following?

• Law of attraction

• Law of superposition

• Law of conservation of energy

• Law of conservation of matter

Tags

NGSS.MS-PS1-5

How many elements are shown in the compound C₆H₁₂O₆

• 24

• 6

• 12

• 3

Tags

NGSS.MS-PS1-1

CH₄

_{the number 4 _____}

• is how many atoms of C - Carbon

• is how many atoms of H - Hydrogen

• is how many molecules of CH₄

Tags

NGSS.MS-PS1-1

All of the following are states of matter except

• Water

• Solid

• Gas

• Liquid

True or False:

When water changes from a solid to a liquid, some of the matter is destroyed

• True

• False

Tags

NGSS.MS-PS1-5

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical reaction that takes in energy from the surrounding environment.

• Chemical Reaction

• Endothermic Reaction

• Exothermic Reaction

A chemical reaction that releases energy in the form of heat, light, sound, or electricity.

• Chemical Reaction

• Endothermic Reaction

• Exothermic Reaction

Tags

NGSS.MS-PS1-4