Physical and Chemical Changes CFA Corrections EVANS

Which of the following is an example of a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

What is a sign that a chemical change has occurred?

• Change in shape

• Change in state

• Formation of a gas

• Breaking into smaller pieces

Tags

NGSS.MS-PS1-2

Which term describes a change where no new substance is formed?

• Chemical change

• Physical change

• Nuclear change

• Biological change

Tags

NGSS.MS-PS1-4

Which of the following is NOT a sign of a chemical change?

• Change in color

• Change in temperature

• Change in size

• Formation of a precipitate

Tags

NGSS.MS-PS1-2

Which process is a chemical change?

• Dissolving sugar in water

• Boiling water

• Burning a candle

• Freezing juice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a physical change?

• Cutting a piece of aluminum foil

• Burning a match

• Baking bread

• Iron rusting

Which of the following is a chemical change?

• Melting butter

• Boiling water

• Digesting food

• Breaking glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is dissolving a drink mix (like powdered lemonade) in water a physical change or a chemical change?

• Chemical change, because a new substance is formed

• Physical change, because the drink mix can be recovered by evaporating the water

• Chemical change, because bubbles are produced

• Physical change, because the color changes

A student tears a piece of paper into small pieces. What type of change is this, and why?

• Chemical change, because a new substance is formed

• Physical change, because only the size changes

• Chemical change, because the paper changes color

• Physical change, because the paper burns

A student observes that when vinegar is mixed with baking soda, bubbles form. What type of change is this?

• Physical change

• Chemical change

• No change

• Nuclear change

Tags

NGSS.MS-PS1-2