Pre-lab Changes Quiz

A new substance is formed in a physical change.

• true

• false

What should you have created for this lab?

• a graph

• a data table

• notes

• nothing

How many activities in the lab require a flame? (Type a number)

(a)  

What chemical compound is dissolved in about 3 mL of water?

(a)  

Tags

NGSS.MS-PS1-2

Which chemicals require extra caution in this lab? (choose all that apply)

• sodium chloride

• silver nitrate

• hydrochloric acid

• magnesium

What safety equipment should be worn at all times during this lab? (choose all that apply)

• apron

• goggles

• gloves

• mask

Used matches are disposed of ​ ​ (a)  

• after cooling with water
• in the garbage
• in the sink
• in the waste beaker

Hydrochloric acid can be disposed of ​ (a)  

• in the sink with water
• in the garbage
• in the waster beaker
• back in the original container

Organize these options into the right categories

Groups:

(a) Physical Changes

,

(b) Chemical Changes

• dissolving

• burning

• grinding

• rusting

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

NGSS.HS-PS1-5

NGSS.HS-PS1-7