PS 8.1.5Chemical Reactions

Which of the following is an example of evidence for a chemical reaction?

• Change in size

• Change in shape

• Change in state

• Formation of a gas

Tags

NGSS.MS-PS1-2

When a chemical reaction occurs, which of the following is a possible evidence?

• Change in temperature

• Change in color

• Formation of a precipitate

• All of the above

Tags

NGSS.MS-PS1-2

What is the evidence of a chemical reaction when a substance changes from a solid to a liquid?

• Change in color

• Formation of a gas

• Change in state

• Change in temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of the following is an example of a chemical reaction?

• Melting of ice

• Dissolving sugar in water

• Burning of wood

• Cutting a piece of paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the evidence of a chemical reaction when a substance changes color?

• Change in size

• Change in shape

• Change in state

• Change in color

Tags

NGSS.MS-PS1-2

Which of the following is NOT evidence of a chemical reaction?

• Formation of a gas

• Change in temperature

• Change in shape

• Formation of a precipitate

Tags

NGSS.MS-PS1-2

What is the evidence of a chemical reaction when a substance releases heat?

• Change in temperature

• Change in color

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Which of the following is an example of a chemical reaction?

• Boiling water

• Mixing salt and water

• Rusting of iron

• Cutting a piece of paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the evidence of a chemical reaction when a substance forms a solid that settles at the bottom?

• Change in temperature

• Change in color

• Formation of a precipitate

• Formation of a gas

Tags

NGSS.MS-PS1-2

Which of the following is an example of evidence for a chemical reaction?

• Change in size

• Change in shape

• Change in state

• Change in color

Tags

NGSS.MS-PS1-2