Natural and Synthetic Materials

Multiple Choice

What is the definition of a synthetic material?

• A synthetic material is a biodegradable product made from plants.
• A synthetic material is a type of organic compound found in nature.
• A synthetic material is a naturally occurring substance.
• A synthetic material is a man-made substance created through chemical processes.

Multiple Choice

What is a natural material?

• Materials that are only found in urban areas.
• Substances that are entirely man-made.
• Synthetic materials made in a lab.
• Natural materials are substances derived from nature.

Multiple Choice

What is the difference between natural materials and synthetic materials?

• Natural materials come from nature, while synthetic materials are artificially created.
• Natural materials are always biodegradable, while synthetic materials are not.
• Synthetic materials are derived from plants and animals, while natural materials are man-made.
• Natural materials are more expensive than synthetic materials in all cases.

Multiple Choice

When milk and vinegar combine to make casein, what type of reaction happens?

• A Physical Reaction

• A Chemical Reaction

• Evaporation (a chemical reaction)
• Dissolving (a physical reaction)