Synthetic material 7th grade

The properties of synthetic materials are different from the natural materials from which they are made because they have undergone a chemical process.

• True

• False

• I do not know.

• I wish I knew

Any physical matter that is obtained or made from plants, animals, or the ground without undergoing a chemical process is called a natural material.

• True

• False

• I do not know.

• I wish I knew.

) The chemical process in which small organic molecules called monomers bond together to form a chain is called __________.

• Product

• Polymerization

• Technology

• Modification

Which of the following is NOT a synthetic material?

• 
• Bone China

• Polyester

• Wood

) Which synthetic material is flexible and can be spun into fabric for clothing?

• Rayon

• Cotton

• Red 40

• Fiberglass

Each material has characteristic physical and ___________ properties that can be used to identify it.

• Chemical

• Proper

• Natural

• General

A material that has been altered by undergoing a chemical reaction in a laboratory or factory is called a ____________material.

• Proper

• Natural

• Synthetic

• Chemical

A common synthetic material that is found almost everywhere is ________.

• Coal
• Lumber
• Plastic
• Aerogel

When two substances combine to form a new substance, a _____ has occurred.

• chemical reaction
• physical reaction
• mixture
• solution

Synthetic materials are made by _________.

• aliens
• humans
• farmers
• nature