Digestion is an example of what type of change?

A white, solid substance was formed when mixing two liquids in a lab. What is the term for the substance?

What type of change alters the composition of a substance?

What type of change alters the appearance of a substance, but not the composition?

Which is NOT an example of a chemical change?

Which of the following does NOT have a definite shape or volume?

A __________ has a definite shape and volume.

Which one has a definite volume, but not a definite shape?

When we talk about solid, liquid, or gas, we are talking about matter's phase or physical ________

A solid to a liquid is __________.

A liquid to a solid is

A liquid to a gas is

A gas to a liquid is

True or False: The appearance of a substance can change during chemical and physical changes.

True or False: Chemical reactions occur in the human body.

True or False: ALL chemical changes produce gas and bubbles.

True or False: A physical change results in a change to the composition of a substance.

Chemical or Physical Change?

A piece of paper burning

Chemical or Physical Change?

cutting a piece of paper

Chemical or Physical Change?

a rusty can

Chemical or Physical Change?

dissolving sugar in coffee

The Law of Conservation of ________________ states the mass before a chemical reaction is the same as the mass after a chemical reaction

Heat causes particles to vibrate and move around

Cooling causes particles to move around