Atoms and Molecules Concepts

What are the building blocks of all matter?

• Atoms

• Dust

• Molecules

• Mass

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

How many elements/atoms are on the periodic table?

• 108

• 81

• 118

• 181

H2O is made up of which atoms

• 1 Helium atoms and 1 Oxygen

• 2 Hydrogen atoms, 1 oxygen atom

• 2 Helium atoms, 1 oxygen atom

• 1 Hydrogen atom, 2 oxygen atoms

Tags

NGSS.MS-PS1-1

What is a molecule?

• Mass

• Dust

• 2 or more atoms bonded together

• A single atom

Tags

NGSS.MS-PS1-1

How many Nitrogen atoms are in NH3

• 1

• 3

• 4

• 0

Tags

NGSS.MS-PS1-1

What is density?

• How much things weigh

• How tightly packed things are

• How much gravity pulls on an object

Energy always moves from

• High to low

• Low to high

Tags

NGSS.MS-PS3-5

Energy always moves from

• Cold to Hot

• Hot to cold

Tags

NGSS.MS-PS1-4

What is the most dense?

• Hot water

• Warm water

• Cold water

Tags

NGSS.MS-PS1-4

Which state of matter is the least dense

• Solid

• Gas

• Liquid