Grade 8 Physical Science Exam Review Part 2

What is the simplest type of carbon carbon

• Organic

• Hydrocarbon

• Inorganic

• Caronate

Tags

NGSS.HS-LS1-6

What does mass measure in a substance?

• space

• vapor

• matter

• gravity

Tags

NGSS.MS-PS1-5

_______ depends on the pull of gravity.

• density

• mass

• volume

• weight

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Valence electrons are _______________.

• not important.

• the basis of all chemical bonds.

• the basis of all physical bonds.

• the basis of all hydrogen bonds.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Mrs. Raven is measuring the physical property of two objects. Object 1 has a greater mass than Object 2. Object 2 has a greater volume that Object 1. Which statement is true?

• Object 1 is denser than Object 2

• Object 2 is denser than Object 1

• They both have the same density

• They both have the same volume

The property of metals depend on _________.

• the electrons

• the number of neutrons

• the arrangement of neutrons

• the number of protons

Tags

NGSS.MS-PS1-1

What crystalline carbon has three covalent bonds to three other carbon atoms?

• charcoal

• coal

• diamond

• graphite

Tags

NGSS.MS-PS1-1

What is a pure substance?

• A substance that is made up of multiple types of particles or molecules.
• A substance that is a mixture of different substances.
• A substance that is made up of only one type of particle or molecule.
• A substance that is not made up of particles or molecules.

Tags

NGSS.MS-PS1-4

Which of the following is/are made up of carbon?

• diamond

• graphite

• both are correct

• neither are correct

What types of bonds can metals form?

• covalent bonds

• metallic bonds

• ionic bonds

• hydrogen bonds

Tags

NGSS.HS-PS1-4