8th Grade Science Final Exam Vocabulary Review

A(n) _________ is a small particle that is the building block of matter.

• atom

• solid

• proton

• neutron

Tags

NGSS.MS-PS1-1

_________ is the process an animal uses to locate an object by means of reflected sound waves.

• Doppler effect

• Acoustics

• Echolocation

• Resonance

Tags

NGSS.MS-PS4-2

A(n) _____ is a neutral subatomic particle in the nucleus of an atom.

• proton

• neutron

• electron

• ion

A(n) _________ is an outermost electron of an atom that participates in chemical bonding.

• valance electron

• outer level electron

• proton

• neutron

______ is the number of wavelengths that pass by a point each second.

• Wavelength

• Amplitude

• Frequency

• Compression

A(n) ____ is the material in which a wave travels.

• rarefaction

• compression

• amplitude

• medium

Tags

NGSS.MS-PS4-2

A(n) _____ is an atom of the same element that has a different number of neutrons.

• isotope

• wavelength

• neutron

• proton

A(n) ____ is a reflected sound wave.

• Pitch

• sonar

• crest

• echo

Tags

NGSS.MS-PS4-2

A(n) _____ is a positively charged particle in the nucleus of an atom.

• proton

• electron

• neutron

• ion

A(n) _____ is a negatively charged particle in the nucleus of an atom.

• proton

• electron

• neutron

• ion