Chemical Reactions Review

What are substances that occur BEFORE the reaction?

• Reactants

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are substances that occur AFTER the reaction?

• Reactants

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This describes a chemical reaction in which energy is given off. The final product will feel warmer than the original reactants.

• Endothermic

• Exothermic

• Elephant Toothpaste

• Exoheater

This describes a chemical reaction in which energy is absorbed. The final product will feel cooler than the original reactants.

• Endothermic

• Exothermic

• Elephant Toothpaste

• Exoheater

An ice pack for a twisted ankle is an example of an _________________________ reaction

• Exothermic

• Endothermic

• Physical

• Colder

The change is reversible is an indicator for a __________________________ reaction

• Physical

• Chemical

When a gas is created is an indicator for a _____________________ reaction

• Physical

• Chemical

What is NOT an indicator for a chemical reaction?

• brand new colour

• new odor

• evaporation

• light is given off

Name one important chemical reaction...