Quiz on Matter Conservation Concepts

What is the definition of a "substance" in terms of matter?

• A form of matter that has a uniform and definite composition; it can be an element or a compound.

• The process or action of two or more things influencing each other.

• Information or data that supports a claim.

Which of the following best describes "interaction"?

• A characteristic or attribute of a substance.

• The process or action of two or more things influencing each other or acting upon each other.

• The force exerted by gravity on an object.

What is "evidence" in scientific terms?

• A form of matter with a uniform composition.

• Information or data that supports a claim, hypothesis, or conclusion.

• The principle that in a closed system, certain properties remain constant.

Which of the following are considered "properties" of a substance?

• The process of two substances interacting.

• Characteristics or attributes such as color, density, and boiling point.

• The force exerted by gravity on an object.

What does "weight" refer to in scientific terms?

• The force exerted by gravity on an object.

• A form of matter with a uniform composition.

• The process of two substances interacting.

What does the principle of "conservation" state in a closed system?

• The process or action of two or more things influencing each other.

• Certain properties like mass or energy remain constant over time.

• Information or data that supports a claim.

Which of the following is an example of a "substance"?

• Water (H₂O)

• The interaction between two chemicals.

• The weight of an object.

If two chemicals react and produce a gas, what is this an example of?

• Substance

• Interaction

• Conservation

Which of the following is NOT a property of a substance?

• Color

• Density

• Interaction

In a closed system, if the mass before a reaction is 50 grams, what should the mass be after the reaction according to the conservation of matter?

• 25 grams

• 50 grams

• 100 grams