UNIT Test Review

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

Ripping up paper ...

• Chemical Change
• Physical Change

A change in phase ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-4

Bubbles form when two or more substances are combined ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

How many atoms of hydrogen are in this compound?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms of Iron are in this compound?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Select the chemical formula for this molecule?

• B₁F₃

• BF

• BF₃

• FB

Tags

NGSS.MS-PS1-1

How many atoms of oxygen are in this compound?

2Ca(OH)₂

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What two types of measurements make up DENSITY? 

• Mass and Volume
• Temperature and Mass
• Grams and Centimeters
• Volume and Weight

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³