Chemical and Physical Changes and Reactions

Which is a way that a piece of paper can go through a chemical change?

• fold the paper in half
• soak the paper in water
• burn the paper with fire
• cut the paper with scissors

Tags

NGSS.MS-PS1-2

Which of these is an example of a new substance being formed?

• a nail rusting
• a wall being painted
• water changing to steam
• paper being folded

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which example best describes a physical change?

• iron rusting
• charcoal burning
• an ice cube melting
• a marshmallow burning

Tags

NGSS.MS-PS1-4

Which statement best describes why baking a cake is an example of a chemical change?

• The process takes place in an oven.
• The process requires heat energy.
• The process cannot be reversed.
• The process can be repeated.

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A change that alters the form or appearance of a material but does not make the material into another substance is a ______________ change.

• physical
• chemical

Is digestion an example of a physical change or a chemical change?

• Physical Change
• Chemical Change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Is spoiling food a physical or chemical change?

• phyiscal
• chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is getting sick with a fever a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Which of these is NOT a sign that a chemical change has occurred? 

• A loss of transparency 
• An unexpected color change
• A temperature change
• The formation of a precipitate

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4