OpSciEd 7.1 Bath Bomb Investigation

When arguing for a claim about the bath bomb gas, what should you use to support your claim?

• Evidence and key model ideas

• Personal preferences

• Guesses and assumptions

• Opinions of friends

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why is it important to record detailed observations during the lab?

• To have accurate and useful data

• To fill up your notebook

• To make it look interesting

• To compare handwriting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

What does testing combinations of bath bomb ingredients help figure out?

• Which combinations produce gas

• Which ingredient tastes the best

• How to make lemonade

• How to design packaging

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a mixture, what is true about its composition?

• It contains more than one substance.

• It consists of only one substance.

• It is always a liquid.

• It is always a solid.

Which step is necessary to avoid contamination between solutions during the experiment?

• Use the dropper that coordinates with each cup’s letter

• Use the same dropper for all solutions

• Mix solutions in any container

• Pour solutions directly from the bottle

When planning your investigation, what is a primary goal?

• To figure out which combinations produce bubbles

• To see how colors mix together

• To determine the temperature of each solution

• To measure the weight of each ingredient

Tags

NGSS.MS-PS3-4

Which ingredient combination would most likely result in bubbles when mixed with water?

• Baking soda and citric acid

• Table salt and olive oil

• Corn starch and sugar

• Epsom salts and sugar-based lemonade mix

Tags

NGSS.MS-PS1-2

What is one of the main ideas discussed in class regarding the bath bomb gas?

Tags

NGSS.MS-PS1-2

What claim can you make about the gas bubbles observed?

• They are the result of a new substance formed during the reaction.

• They are air from the water.

• They are unchanged parts of the original ingredients.

• They appear due to temperature changes.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What evidence might you use to argue for a claim about the bath bomb gas?

• Observations of bubbles and ingredient combinations

• The color of the solutions

• The weight of the ingredients

• The temperature of the room

Tags

NGSS.MS-PS1-2