8th Grade Physical Science Midterm Review

Front

What is a nonmetal?

Back

A nonmetal is a substance that is typically dull, brittle, and a poor conductor of heat and electricity.

Front

Are metals good thermal conductors?

Back

True, metals are good thermal conductors.

Tags

NGSS.MS-PS3-3

Front

What do waves transfer?

Back

Waves transfer energy.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What are horizontal rows on the periodic table called?

Back

Horizontal rows on the periodic table are called periods.

Front

What do the blue numbers in a chemical formula represent?

Back

The blue numbers represent subscripts, which indicate the number of atoms of an element in a molecule.

Tags

NGSS.MS-PS1-1

Front

What is a metal?

Back

A metal is a substance that is typically shiny, malleable, ductile, and a good conductor of heat and electricity.

Front

What is a metalloid?

Back

A metalloid is a substance that has properties of both metals and nonmetals.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is a chemical bond?

Back

A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3