Chemical Reaction (Tigers)

In a chemical process, atoms that make up a substance are regrouped into different _______________ to form new substances with different properties.

Substances giving off a smell, or ______________ while being combined is also an indicator of a chemical reaction.

A _________________ is a solid substance that forms and separates from a solution and may indicate that a chemical reaction has occurred.

What is an example of gas formation?

• carbon dioxide

• sulfur dioxide

• ammonia

• hydrogen sulfide

• mix vinegar and baking soda

When gas is produced during a reaction it is also evidence that a _______________ is formed

The substances initially involved in a chemical reaction.

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule

Smallest part of a substance.

• Reactants

• Chemical Reaction

• Atom

• Product

• Molecule

A ______________________ increase or decrease and the production of light are both signs that a chemical reaction may have occurred.

The intensity of the color decreases over time until it disappears.

• True

• False

The substance that is produced from a chemical reaction.

• Reactants

• Chemical reaction

• Atom

• Product

• Molecule