What is the name for when two different materials are mixed together but could be separated again? A. energy B. mixture C. pure substance D. filter

Break Down the Problem

1. Identify the key term related to the mixing of materials.
2. Evaluate the options provided to find the correct answer.

Relevant Concepts

• A mixture contains two or more substances that retain their own properties and can usually be separated.
• A pure substance consists of a single type of particle and cannot be separated into simpler substances by physical methods.
• Energy is not related to the mixing of materials.
• Filter refers to the process or tool used to separate substances based on size.

Analysis and Detail

• Energy (A) does not pertain to materials being mixed or separated.
• Mixture (B) refers to the combination of two or more substances where each retains its properties.
• Pure Substance (C) is a form of matter that cannot be separated.
• Filter (D) is a method for separating mixtures but does not describe the mixture itself.

Verify and Summarize

Considering the definitions and the provided options, option B "mixture" is the only term that accurately describes two different materials that can be mixed together and later separated.

Final Answer

B. mixture