Chemical Reactions | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 14 Public

Review topic: Chemical reactions

Study Slideshow

What is a chemical reaction?

a process when two or more substances are mixed together and form a new substance

Interact and change to make a new substance; also to respond to something.

react

the substances that react together in a chemical reaction

reactants

the new substances that form in a chemical reaction

products

the things we know that show us that something has happened or changed

evidence

Physical change or chemical change? Burning a candle. Why?

Chemical change. It produces smoke.

Physical change or chemical change? Slicing onion. Why?

Slicing is physical, the gas produced is chemical.

Physical change or chemical change? Burnt toast. Why?

Chemical. It changes colour and irreversible.

Physical change or chemical change? Fireworks sparkle. Why?

Chemical. It produces heat, light and sound.

T/F. In a chemical reaction, the substances react together.

True.

Identify the reactants and products A baking soda mixed with vinegar.

Reactants: baking soda and vinegar Product: gas (carbon dioxide)

Identify the reactants and products. Lime water is given carbon dioxide.

Reactants: lime water and carbon dioxide Product: milky white colour

Identify the reactants and products. Iron and sulfur.

Reactants: Iron and sulfur. Product: iron sulfide

Identify the reactants and products. Photosynthesis.

Reactants: Carbon dioxide and water. Product: Sugar and oxygen.