8th Grade CAST Review

All matter is made of what?

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

The positive particles of an atom are?

• electrons

• positrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1

The central region of an atom where its neutrons and protons are is its?

• nucleus

• electron cloud

• core

• center

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

• Cannot be determined

A particle that moves around the nucleus is a(n)...

• Proton

• Neutron

• Electron

• Quark

The number at the bottom of each square on the periodic table is the ...

• atomic number

• atomic mass

• chemical symbol

• element name

The number at the top of each square on the periodic table is the ...

• atomic number

• atomic mass

• chemical symbol

• element name

What is the chemical symbol for Lithium?

• Li

• He

• H

• N

At higher temperatures ...

• particles in an object have less energy

• particles in an object move faster

• particles in an object move at the same rate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A gas ...

• has a definite shape but no definite volume

• has a definite volume but no definite shape

• has fast-moving particles

Tags

NGSS.MS-PS1-4