True or False? If matter looks different, it has definitely undergone a chemical change.

When might it appear that matter has been lost?

When matter changes, what is always conserved?

A change in the size, shape or state of matter with no new material being formed. Physical or chemical change?

Fill in the blank. Matter can neither be _______________ nor destroyed.

You are working with a certain material. It looks different than when you first started working with it. Has it definitely undergone a chemical change? Yes or no? Explain.

Identify a chemical change mentioned in the book that occurs more quickly.

Fill in the blank: A chemical _____________________ is a specific example of one or more chemical changes.

Fill in the blank: A physical change is a change in size, _____________, or state of matter.

True or False? A change in color can indicate that a chemical change has occurred.

What three elements are found in cellulose?

How are ice and water different?

When water freezes we know that the volume increases. Explain how the volume can increase but no new material has been created.