Chemistry Do Now: 11/8 - 11/11

What are the names of 5 of your classmates?

Which of the following is a sign of a chemical reaction involving a color change?

• A piece of paper being torn

• A green leaf turning brown

• Water freezing into ice

• A glass breaking

Tags

NGSS.MS-PS1-2

What is a common sign that a gas is being produced during a chemical reaction?

• The substance becomes colder

• Bubbles form in the liquid

• The substance changes color

• The substance becomes solid

Tags

NGSS.MS-PS1-2

Which of the following indicates a temperature change during a chemical reaction?

• The substance emits light

• The substance becomes warmer or cooler

• The substance changes shape

• The substance becomes transparent

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is a precipitate in a chemical reaction?

• A gas that forms bubbles

• A solid that forms from a solution

• A liquid that evaporates

• A color change in a liquid

Tags

NGSS.MS-PS1-2

Which of the following is an example of a color change indicating a chemical reaction?

• A red apple being cut into slices

• A silver spoon tarnishing and turning black

• Water boiling and turning into steam

• A pencil being sharpened

Tags

NGSS.MS-PS1-2