Physical & Chemical Properties

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

Example for physical property

• odor
• burns in air
• reacts with water to create hydrogen gas
• rust

Physical properties are

• properties that can be observed without changing the identity of the substance
• properties that describe how a substance changes into a completely different substance

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Tags

CCSS.7.RP.A.3

Which units of measurement are used for volume?

• grams
• centimeters
• grams/milliliter
• milliliter

Tags

CCSS.3.MD.A.2

True or False:  The density of a specific type of material never changes.  

• True
• False

Tags

CCSS.HSG.MG.A.2

I have two objects with the same volume but different masses.  Which object will be more dense?

• The object with less weight.
• The object with more weight.
• The object with more mass.
• The object with less mass.

Tags

CCSS.HSG.MG.A.2

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

Tags

CCSS.HSG.MG.A.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

What causes an object to sink in a water?

• if the object's density is less than the water's density.
• if the object's density is the same as water's density.
• if the object's density is greater than water's density.
• if the object's density is zero