Atoms and Molecules

All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

Tags

NGSS.MS-PS1-1

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

• atoms
• elements
• molecules
• compounds

Tags

NGSS.MS-PS1-1

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

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

A subatomic particle that orbits an atom's nucleus, has a negative charge, and has very little mass

• Proton
• Neutron
• Electron
• Isotope

The center of an atom, usually made of protons and neutrons

• Nucleus
• Proton
• Atomic Number
• Isotope