Physical & Chemical Properties & Changes

An example of a chemical property is...

• density 
• ability to conduct electric current
• toxicity
• magnetism

Tags

NGSS.HS-PS1-2

Malleability and ductility are...

• Chemical changes
• Chemical properties
• Physical changes
• Physical properties

Which of the following is a chemical property of water?

• Reacts with pure Sodium
• Boils at 100 degrees Celsius
• Dissolves Sugar
• Has a density of 1 g/mL

Shanna and Ryan were comparing two brands of motor oil. They put a drop of each brand on one end of a glass slide and then tipped the slide. They measured how long it took each drop to reach the bottom of the slide. What were they testing?

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

One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?

• evaporation; chemical change
• condensation; physical change 
• evaporation; physical change
• condensation; chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Which of the following is not a clue that a chemical change has taken place?

• Changing size
• Changing color
• A gas being formed
• Formation of a precipitate

Tags

NGSS.MS-PS1-2

In each investigation scientists combined 2 liquids under a vent hood & recorded their observations. In which investigation is a chemical change least likely?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5