Semester review 7th Grade

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

• Physical

• Chemical

• Electrical

• Organic

Ceramics are strong but brittle, and are good ___________________.

• nonmetal

• insulators

• metal

• conductors

Tags

NGSS.MS-PS3-3

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

• synthetic

• organic

• natural

• inorganic

When synthetic materials are made from natural materials, the atoms that make up the original substances are regrouped into different ____________.

• molecules

• atoms

• compounds

• elements

Tags

NGSS.MS-PS1-3

NGSS.MS-PS1-1

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

• polymerization

• technology

• modification

• production

Which of the following is NOT a synthetic material?

• polyster

• bone china

• wood

• concrete

Tags

NGSS.MS-PS1-3

Which economic conditions are favorable, _____ effort can be put into synthetic materials that satisfy desires and not just needs.

• no

• some

• more

• less

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-1

As consumption of a synthetic material increases, the associated negative impacts to Earth required to produce the material _________.

• increases

• lessens

• decreases

• reduces

Tags

NGSS.MS-PS1-3

NGSS.MS-ESS3-4

When a wetland is drained to make way for cornfields, the diversity of the local ecosystem _____________.

• increases

• fails

• thrives

• decreases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A secondary product that results from a manufacturing process or chemical reaction is called a ___________.

• synthetic material

• reactant

• natural resource

• by-product

Tags

NGSS.MS-PS1-5