Bath Bomb Quiz

Analyze the following scenario: You drop a bath bomb into water, and it starts to fizz and dissolve. What evidence would you look for to determine if a chemical reaction has occurred?

• The bath bomb changes color.

• The bath bomb releases gas bubbles.

• The bath bomb dissolves completely.

• The bath bomb changes shape.

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DOK Level 3: Strategic Thinking

You are given two bath bombs with different ingredients. After placing each in water, you observe that one releases more gas bubbles than the other. What could be a possible reason for this difference?

• The temperature of the water was different.

• One bath bomb had more baking soda.

• One bath bomb was larger in size.

• One bath bomb had a different color.

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DOK Level 3: Strategic Thinking

Suppose you want to design an experiment to test the effect of water temperature on the reaction rate of a bath bomb. What would be a key variable to control in your experiment?

• The size of the bath bomb.

• The color of the bath bomb.

• The amount of water used.

• The type of container used.

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DOK Level 3: Strategic Thinking

Imagine you have a bath bomb that contains citric acid and baking soda. When it is placed in water, it fizzes and dissolves. What type of reaction is occurring?

• Physical change.

• Chemical change.

• Phase change.

• Dissolution.

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DOK Level 3: Strategic Thinking

You observe that a bath bomb releases a fragrance when it dissolves in water. How would you determine if this is a result of a chemical reaction?

• Measure the temperature of the water.

• Observe if the fragrance is released only when the bath bomb is in water.

• Check if the fragrance is present in the bath bomb before it is placed in water.

• Compare the fragrance intensity before and after the bath bomb dissolves.

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DOK Level 3: Strategic Thinking

A bath bomb contains a dye that changes color when it dissolves in water. How can you determine if this color change is due to a chemical reaction?

• Test the pH of the water before and after the bath bomb dissolves.

• Measure the temperature of the water before and after the bath bomb dissolves.

• Observe if the color change is permanent.

• Check if the color change occurs in different types of water.

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DOK Level 3: Strategic Thinking

You are given a bath bomb that contains an unknown ingredient. After it dissolves in water, you notice a temperature change. What could this indicate about the reaction?

• The reaction is endothermic or exothermic.

• The bath bomb is dissolving faster.

• The water is evaporating.

• The bath bomb is larger than usual.

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DOK Level 3: Strategic Thinking

If you want to determine the rate of reaction of a bath bomb in water, which of the following methods would be most effective?

• Measuring the time it takes for the bath bomb to completely dissolve.

• Observing the color change of the water.

• Measuring the amount of gas produced over time.

• Checking the temperature of the water.

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DOK Level 3: Strategic Thinking

You are testing different formulations of bath bombs to see which one produces the most gas. What data would you collect to analyze the effectiveness of each formulation?

• The time it takes for each bath bomb to dissolve.

• The volume of gas produced by each bath bomb.

• The color intensity of the water after each bath bomb dissolves.

• The temperature change of the water.

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DOK Level 3: Strategic Thinking

You observe that a bath bomb creates a lot of foam when it dissolves in water. How would you determine if the foam is a result of a chemical reaction?

• Measure the amount of foam produced over time.

• Check if the foam is produced only when the bath bomb is in water.

• Compare the foam production in different types of water.

• Analyze the composition of the foam to see if new substances are formed.

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DOK Level 3: Strategic Thinking