Unit 1 Test

Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

Tags

NGSS.MS-PS1-1

Latent heat is

• the heat absorbed or released at a boiling process during a change of phase

• the heat absorbed or released at a constant temperature during a change of phase

• the heat absorbed or released at a constant temperature during a change of phase of 1 kg object

• the heat absorbed or released by an object to increase or decrease its temperature by 1 degree Celcius

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

These contain only one kind of atom. 

• element 
• compound 
• mixture 
• water 

Tags

NGSS.MS-PS1-1

A compound is made of ________ atoms. 

• big 
• similar 
• different 

Tags

NGSS.MS-PS1-1

Carbon Dioxide is a ______ 

• compound 
• element 
• mixtures 
• Battle of Bunker Hill 

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1

These can only be separated by chemical means. 

• element 
• compound 
• mixture 
• stuff 

Water is a ___________. 

• element 
• mixture 
• compound 

Tags

NGSS.MS-PS1-1

Elements can be broken down into simpler substances. 

• false 
• true 
• sometimes 

Tags

NGSS.MS-PS1-5

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion