SMS 8th Grade Science Semester Review

____________ is anything that has mass and takes up space.

• matter
• compound
• particle
• subatomic

Tags

NGSS.MS-PS1-1

All matter is composed of __________.

• compounds

• atoms

• water

• H2O

_____________ are the smallest unit of matter that retains the identity of the substance.

• compounds
• atoms
• water
• H2O

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

All atoms have a ___________ in the center.

• electron
• cloud
• nucleus
• particle

Tags

NGSS.MS-PS1-1

The nucleus of the atom has  the 
___________ and ___________ in it.

• protons and neutrons
• electrons and neutrons
• protons and electrons

Tags

NGSS.MS-PS1-1

A proton has a ___________ charge.

• positive
• negative
• neutral

Tags

NGSS.MS-PS1-1

The electrons are in the electron _________.

• region
• area
• cloud

Tags

NGSS.MS-PS1-1

An electron has a ___________ charge.

• positive
• negative
• neutral

Protons, neutrons, and electrons are called ____________ particles.

• atomic
• subatomic
• nucleus

Tags

NGSS.MS-PS1-1

Microwave ovens heat food through the process of

• conduction.

• convection

• radiation.

• stratification

Tags

NGSS.MS-PS3-4

NGSS.MS-PS4-2