Phys/Chem Changes/Properties

Density: Chemical or Physical Property

• Chemical Property
• Physical Property

Boiling Point: Chemical or Physical Property

• Chemical Property
• Physical Property

Tags

NGSS.MS-PS1-4

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties
• liquid properties
• real properties

Tags

NGSS.MS-PS1-2

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A change in the size, shape, or state of matter.

• chemical change
• physical change
• chemical reaction
• electron change

Tags

NGSS.MS-PS1-4

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical

To observe a physical property...

• A substance must change

• A reaction must take place

• A bike needs to rust

• A substance keeps its identity

How would you calculate the density of an object?

• Divide its weight by its volume

• Divide its mass by its volume

• Multiply its volume by its mass

• Multiply its weight by its mass

A jewelry box has a volume of 200cm^3, and a mass of 400 grams. What is the box's density?

• .5g/mL

• .5g/cm³

• 2g/cm³

• 2g/mL