The Fast & The Curious 8.6E

What is a chemical change?

• A change where the atoms of the original substances are rearranged to make new elements and/or compounds

• A change where the physical state of a substance changes

• A change where the temperature of a substance changes

• A change where the color of a substance changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does a chemical equation describe?

• The physical state of a substance

• The temperature change in a reaction

• All of the reactants and products of a chemical reaction

• The color change in a reaction

Tags

NGSS.MS-PS1-5

What occurs during a chemical reaction?

• The rearrangement of atoms to produce new compounds

• The change in temperature of a substance

• The change in color of a substance

• The change in physical state of a substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a closed system?

• A system that allows transfer of matter in and out

• A system that does not allow transfer of matter in or out

• A system that allows transfer of energy in and out

• A system that does not allow transfer of energy in or out

What does the law of conservation of mass state?

• The total mass of the reactants is equal to the total mass of the products

• The total mass of the reactants is greater than the total mass of the products

• The total mass of the reactants is less than the total mass of the products

• The total mass of the reactants is unrelated to the total mass of the products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mass is the amount of matter in a substance measured by grams or kilograms

• True

• False

Tags

NGSS.MS-PS1-5

What is matter?

• The smallest particles of matter that have distinct physical and chemical properties

• The largest particles of matter that have no physical or chemical properties

• The smallest particles of matter that have no physical or chemical properties

• The largest particles of matter that have distinct physical and chemical properties

Tags

NGSS.MS-PS1-1

What is photosynthesis?

• The process by which plants produce their own food from carbon dioxide and water using chlorophyll and sunlight

• The process by which animals produce their own food from oxygen and water using chlorophyll and sunlight

• The process by which plants produce their own food from oxygen and water using chlorophyll and sunlight

• The process by which animals produce their own food from carbon dioxide and water using chlorophyll and sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are properties of matter?

• Observable characteristics of matter that can be used to identify particular materials

• Unobservable characteristics of matter that cannot be used to identify particular materials

• Observable characteristics of matter that cannot be used to identify particular materials

• Unobservable characteristics of matter that can be used to identify particular materials

Tags

NGSS.5-PS1-3