Lesson 3: What's in a bath bomb that is producing the gas?

Front

Which of the following is a physical property that can be used to distinguish one substance from another?

• Melting point
• Cost
• Logo
• Packaging

Back

Melting point

Front

Property (in scientific communities)

Back

Characteristics of a substance that do not change

Front

Observation when each bath bomb ingredient was added to water individually?

Back

None of the substances made bubbles when added to water

Front

Which of the following is NOT a characteristic property for identifying ingredients in homemade bath bombs? Options: Texture, Solubility, Melting point, Price

Back

Price

Front

What does it mean if a substance is "insoluble" in water?

Back

It does not dissolve in water

Front

What best describes a pure substance in science?

Back

A material with a uniform and definite composition.

Front

What is a mixture?

Back

A blend of two or more substances.

Front

Why is it important to record the state of matter at room temperature?

Back

Because temperature affects the state of matter.

Front

What change do you observe in coconut oil when you leave it on your palm for a while?

Back

It melts.

Front

How does the melting point for coconut oil compare to room temperature?

Back

The melting point is higher than room temperature.