If two substances are mixed and a new substance is formed, what type of change is it?

Which of the following is an indication that a substance has undergone a chemical change?

What type of change occurs when water changes from a solid to a liquid?

Which of the following is a common sign that a chemical change has occurred?

A specific type of physical change is a _________ change.

Which of the following summarizes a change that takes place as a solid turns to a liquid?

How do chemical weathering and deposition contribute to the formation of the features shown here?

How can you tell whether a change in matter is caused by a chemical reaction?

When the color, smell, and taste of the mixture changed, I knew a chemical ___ had taken place.