Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

What is the term for combining 2 or more atoms together?

• atoms
• elements
• molecules
• compounds

Tags

NGSS.MS-PS1-1

All matter is made of what

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

The central region of an atom where its neutrons and protons are is called it's __________ .

• nucleus

• electron cloud

• core

• center

Tags

NGSS.MS-PS1-1

When you heat matter, what happens to the atoms and molecules?

• they move faster 
• they move slower
• they stop moving
• they stay the same

Tags

NGSS.MS-PS1-4

In a solid, the molecules are - 

• close together
• moving around
• moving fast

Tags

NGSS.5-PS1-1

When you cool matter, what happens to the atoms and molecules?

• they move faster

• they move slower

• they stop moving

• they stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is an element?

• A pure substance that cannot be broken down.

• Two atoms bonded together.

• Two or more different types of atoms bonded together.

• An molecule with an unequal distribution of charge.

Tags

NGSS.MS-PS1-1