Properties & Changes Formative #1

Juan observes these properties of an unknown substance. The substance is white, has a crystaline structure, dissolves in water and burns when a flame is applied. What is a chemical property of the substance?

• color
• crystaline structure
• dissolves
• burns

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What mass is measured on this balance?

• 35 g

• 45 g

• 135 g

• 145 g

What is the volume of Object X?

• 10.0 cm³
• 15.0 cm³
• 20.0 cm³
• 25.0 cm³

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture
• Temperature
  
• Shape
•  Mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Paper burning and metal rusting are examples of a

• physical property
• chemical property
• physical change
• chemical change

Tags

NGSS.MS-PS1-2

Which statement best describes what is happening in the images?

• a physical change

• a chemical change

• both a physical and a chemical change

• dissolving

Tags

NGSS.MS-PS1-2

Hardness

• Physical Property

• Chemical Property

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance?

• heating it to find the temperature at which it melts

• exposing it to a flame to see if it catches on fire

• hitting it with a hammer to determine if it breaks or bends

• placing it in water to find out whether or not it dissolves

Example for physical property

• melting point
• flammability
• reactivity 
• combustion

A solid forms when two liquids are mixed.

• Physical Property

• Chemical Property

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2