Unit 2 - Task 3 - What is Water?

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Tags

NGSS.MS-PS1-1

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

Tags

NGSS.MS-PS1-1

What are the states of matter?

• Solid, Liquid, Water
• Solid, Liquid, Gas
• Melting, Freezing, Condensing, Evaporating
• Water and Liquid

Tags

NGSS.MS-PS1-4

How many elements are in the following equation:
HO2C

• 2
• 1
• 4
• 3

Tags

NGSS.MS-PS1-1

When the molecules are moving very fast, the substance is...

• Hot
• Cold
• Room Temperature
• Wet

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

What is the smallest particle?

• Element
• Molecule
• Atom
• Plasma

H₂O₂← ?
This number tells the number of atoms present.

• coefficient
• molecule
• subscript
• atom

Tags

NGSS.MS-PS1-1

2H₂O
How many H₂O molecules are present?

• 1
• 4
• 2
• 8

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

→2H₂O
This number tells how many molecules are in a chemical equation.

• coefficient
• subscript
• compound
• element

Tags

NGSS.MS-PS1-1

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0
• 1
• 2
• 3

Tags

NGSS.MS-PS1-1