Physical / Chemical Properties & Changes

Which is an example of a physical property?

• rusting
• boiling point
• combustion
• reactivity with water

Tags

NGSS.MS-PS1-4

Which is an example of a physical property?

• ability to react with acid
•  color
• flammability
• ability to react with oxygen

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
• properties that we can only observe with our eyes
• properties that we need special tools to observe

Which of the following is a chemical property of water?

• Reacts with pure sodium
• Boils at 100 ^oC
• Is liquid at room temperature
• Has a density of 1 gm/mL

Which of the following is a chemical property?

• combustion
• texture
• volume
• magnetism

Tags

NGSS.HS-PS1-2

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

When iron fillings are mixed with sand, the iron can be removed using a magnet.  This is evidence that the change that occurred when the two were mixed was....

• physical
• chemical
• irreversible
• molecular

Tags

NGSS.MS-PS1-2

Changes that reorder atoms to form new molecules, such as the reaction between sodium and chlorine ions to form sodium chloride, are known as ________

• State changes
• endothermic changes
• chemical changes
• physical changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

NGSS.MS-PS1-5

How many different elements are in this chemical formula: C₂H₂ClK₃

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1