Unit 1 Review

Which of the following is a compound?

• Si

• CO₂

• Cl

• He

• Ti

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O

• HCl

• NaCl

• Au

• CaCO₃

How many elements are there in CuSO₄?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element

• compound

Tags

NGSS.MS-PS1-1

What is the chemical symbol for Chlorine?

• Cl
• Ch
• Cr
• Ce

What is the chemical symbol for Hydrogen

• H

• He

• Hy

• Hg

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

Tags

NGSS.MS-PS1-2