Pre-Lab Reaction in a bag

What is the title of the lab mentioned in the worksheet?

• Reaction in a bag

• Chemical Reactions

• Lab Safety

• Experimentation

What is the purpose of the lab?

• To observe changes when substances are mixed

• To create new substances

• To measure temperature changes

• To learn how to design a controlled experiment.

Tags

NGSS.MS-PS1-2

Which of the following materials is NOT listed for use in the lab?

• Calcium chloride

• Sodium bicarbonate

• Universal indicator solution

• Vinegar

What safety equipment is recommended for the lab?

• Lab coat

• Safety goggles

• Gloves

• Ear plugs

What should you do if gas builds up inside the bag during the experiment?

• Ignore it

• Carefully release it

• Shake the bag

• Add more chemicals

Tags

NGSS.MS-PS1-2

What can be possible hypotheses for that lab?

• Color change may happen as a result of a chemical change

• No reaction will occur

• Temperature will decrease

• Gas will be produced

Tags

NGSS.MS-PS1-2

Will you need a data table for your results according to the worksheet?

• Yes

• No

Will you need a graph for your results according to the worksheet?

• Yes

• No

Tags

NGSS.MS-PS3-1

What is the chemical formula for calcium chloride?

• CaCl

• CaCl2

• Ca2Cl

• CaCl3

Tags

NGSS.MS-PS1-1

What is the chemical formula for sodium bicarbonate?

• NaHCO3

• NaCO3

• Na2CO3

• NaHCO2

Tags

NGSS.MS-PS1-1